Help Center

Back to home

Help Center

Ventilation

Ventilation

What is The Edge Vent?

What is a Drip Edge?

What does CFM stand for?

Is it OK to choke or reduce the slot cut for ShingleVent II ridge vent in order to balance it with the intake ventilation installed?

What does Air Vent recommend regarding the usage and placement of underlayment with The Edge Vent?

How do I install The Edge Vent on a house with a 6” overhang that is insulated to the roof sheeting from inside the attic in an older home?

Will Air Vent specify gutter size?

What is the Bernoulli Effect?

Where should a roof-mount power attic fan be placed on a roof?

What are Eaves?

What is a Pitch?

What is the Thermal Effect?

Why is the shutter for my Air Vent whole-house fan a different size from the whole-house fan itself?

What is a Gambrel Roof?

Do I need to oil the motor on my Air Vent Fan?

How will The Edge Vent perform in snow and ice regions of the country?

My turbines aren't spinning. Why?

My fan is vibrating a lot. Anything I can do?

What size slot do I cut for Air Vent's ridge vent?

Can I use a rheostat with an Air Vent fan?

Do I have to close off my gable vents when I use a ridge vent?

I don't have any overhang. Can I use roof louvers or roof pots near the bottom of the roofline?

Could The Edge Vent be safely used for intake at the transition where a pitched roof meets a flat roof?

What are the installation instructions for replacing the motor and rubber boot in the roof-mount solar powered fan (Model SC8BL)?

Is it OK to use the The Edge Vent (intake vent) as an exhaust vent in a roof-to-vertical wall application?

Are there any special steps to be taken when installing The Edge Vent on multi-layered shingles?

What is the open mesh size for the Kwik Mesh Utility Screen Roll?

How do I determine how much Net Free Area (NFA) is required in my attic?

Will the Steel Round Roof Louver Vent work for a shingle roof?

Do your vents have mesh to prevent pests from entering the attic?

What does NFA stand for?

What is the Largest Ventilation Access Door You Manufacture?

Ventilation

What size are the perforations in the mesh screen of the 14 in. x 24 in. Rectangular Metallic Galvanized Steel Built-in Screen Gable Louver Vent?

Can the 6 in. x 25 ft. Kwikmesh Utility Screen Roll be used to repair outside screens for crawl space vents?

Is the 0.25 in. Rectangular Silver Built-in Screen Galvanized Steel Soffit Vent strong enough to keep wild animals from tearing it apart?

Can the 12-in White Rectangle Steel Gable Vent be painted?

Will the 15 in. x 23 in. Galvanized Steel Adjustable Flue Guard Chimney Cap Spark Arrestor work when the chimney flue does not stick up above the brickwork?

Can the 8 ft. Corrugated Galvanized Steel Utility-Gauge Roof Panel be used as wainscoting?

Does the 18 in. x 24 in. Galvanized Steel Ventilating Access Door open inwards or outwards?

How do you install the 4 in. Gray Plastic Roof Cap Vent on a tin roof?

Is the 8 in. x 25 ft. Kwikmesh Utility Screen Roll suitable for covering the outside vents of window air conditioners without restricting air flow?

What frame should be used to hold the 12 in. x 20 ft. Kwikmesh Utility Screen Roll in place?

Does the 12 in. Kwik-Plug Roof Repair Patch product meet standard building codes for usage ?

How to attach the 8 in. Galvanized Steel Flat Screen Vent?

Can the 4 in. x 25 ft. Kwikmesh Utility Screen Roll be flattened out to be siliconed over existing attic vent screens?

Is 18 in x 24 in the largest vent screen that you make for the Galvanized Steel Ventilating Access Door?

Can pests like racoons enter this 4 ft. Galvanized Steel Off Ridge Vent?

What type of non-rust screws are best for use with the 16 in. x 8 in. Galvanized Steel Flat Screen Vent?

Will the 12 in. x 20 ft. Kwikmesh Utility Screen Roll keep rodents from getting to the window screen?

Customer has a furnace inside the attic. Can a utility room be built around the furnace to isolate the furnace from the rest of the attic?

What do I do when I have an indoor swimming pool or hot tub?

How can I find an installer for the attic ventilation products?

Can a CFM (cubic feet of airflow per minute) value be assigned to a non-powered vent?

Is there a way to measure the attic square footage without having access to the actual attic?

How much attic ventilation does Air Vent recommend for a typical attic? How do I calculate proper attic ventilation?

Is the tip of drilling 6 one-inch holes in a rafter below and above an obstruction like a skylight OK if the rafter is a 2" x 4"?

What are your thoughts regarding sealing an attic without vents?

Why does moist air naturally float into the attic?

Is it OK to mix different types of attic exhaust vents on the same roof above a common attic?

Is mixing exhaust vents of any combination (ridge vents, roof louvers, wind turbines, gable louvers, and power fans) on the same roof when it’s a common attic OK to do?

I have attic ventilation but my attic still seems too hot?

What is Vapor Diffusion?

What is a Mansard Roof?

What is Convection?

What is a Square?

What is a Dormer?

What is a Cold Roof?

Do you have a Florida approval on your Aluminum Ridge Vent?

Do you have a Florida approval on your 4?, 6? & 10? gooseneck Vents?

Do you have Aluminum Gooseneck Vents?

Does the height of the house affect how the attic ventilation system in general performs?

What happens to a roof/attic that only has intake ventilation?

Do building codes factor in roof pitch regarding attic ventilation?

Is there a way to convert CFM (cubic feet of air moved per minute) to NFA (net free area)?

Why is attic ventilation important?

Is it OK to use an Air Vent product on a roof pitch that exceeds your roof pitch requirement?

Is there information about leaving a gap between insulation baffles for moisture escape in a cathedral ceiling application?

What is the difference between a product having a Florida Product Approval and a product having Miami-Dade County Notice of Acceptance?

What is the definition of roof slope or roof pitch?

What size nails should be used to install attic vents?

Ideally, what should the attic temperature be compared to the outside temperature if there is balanced attic ventilation?

What are your thoughts on radiant barriers?

Where can a customer find warranty information for any Air Vent product?

Do staples offer the same holding strength as roofing nails?

Does the shingle color impact the amount of ventilation required?

What does the product warranty cover?

Can Air Vent products be installed on flat roofs?

Please rank exhaust vents good, better and best.

How do you handle flat roofs or where a flat roof ties into a sloped roof?

If there are heating units inside the attic will the attic ventilation system interfere?

What are common signs of moisture problems inside an attic?

How do I handle a gambrel roof?

What are my attic exhaust options for a house that is wider than 75 feet?

With open soffits (exposed rafters) how do I increase my intake ventilation?

How do I handle a roof with three layers of shingles?

Is it better to have too much intake or too much exhaust ventilation?

How do you vent a garage that is just one large open area without an actual attic?

Will drilling holes below and above a skylight really provide airflow?

How do I handle mansard roofs? What are the challenges with a mansard roof?

Do all shingle manufacturers require proper attic ventilation?

Do you have any guidelines for venting cathedral ceilings also called vaulted ceilings?

How do I provide intake ventilation at the knee wall where there isn't an overhang?

How do you ventilate a parapet wall?

Does a screen attached to a vent affect the vent's Net Free Area?

What exactly is the purpose of roofing felt or roofing underlayment?

What is ADIBC as it pertains to building code?

Which is worse: using ridge vents without intake vents or using gable louvers without intake vents?

Why is it best practice to avoid installing roof louvers or wind turbines on multiple sides of a roof above a common attic?

What impact does foil faced OSB have on attic ventilation requirements if any?

Is there a potential for heat loss in the winter after installing attic ventilation?

Is it OK to install a second roof deck on top of the original roof deck? Could a vented nail base be used?

Is the International Building Code accepted nationwide?

Can you have too much exhaust ventilation?

Is it necessary to ventilate a cold roof?

Please explain the differences between a Class A, Class B, and a Class C rated roof deck.

For the Miami Dade County testing was intake ventilation accounted for?

What is the recommended relative humidity level inside the house?

Is there a quick way to calculate whether or not the attic is balanced for a re-roofing project?

Is it necessary to seal all exposed nail heads?

What is the official definition of Net Free Area?

Should I ventilate a bay window that has an overhang?

How far should the waterproofing shingle underlayment be installed up the roofline?

What happens to snow-covered vents?

Customer wants to know what the attic temperature should be if it has balanced intake and exhaust ventilation?

What products do you have that will work on a flat roof?

Is attic ventilation important for an older home that is being re-roofed but never before had proper attic ventilation?

Which solar powered fans qualifies for the IRS Energy Tax Credit (Form 5695)?

What is the best way to ventilate dormers?

What is a Hip Roof?

What is a Gutter?

How much attic ventilation do I need for my attic?

Should I ventilate an unheated garage attic?

What is Sheathing?

What is Conduction?

What is Waterproofing Shingle Underlayment (WSU)

What is Radiant Heat?

What is a Rake?

What is a Vent?

What is a Rafter?

What is a Deck?

What is Net Free Area?

What is a Shed Roof?

What is an R-Value?

What is Soffit?

What is a Balanced System?

Can I install a power fan if I have a ridge vent already on my roof?

What is a Vapor Retarder?

What is a Hip?

See more

Intake

Is it acceptable to install continuous soffit vents at an angle? Is it OK to install continuous soffit vents in the rake? Is it OK to install intake vents in the rake of the roof?

Can you have too much intake ventilation?

Are all intake vents the same in terms of quality and performance?

Is it possible to install rectangular undereave vents or continuous soffit vents in a tongue & groove soffit?

What is an Overhang?

What is an Intake Vent?

Can The Edge Vent be used under concrete tile?

Does Air Vent have any recommendations for the use and placement of attic insulation baffles?

What tool is used when contractors cut continuous soffit vent?

Should the rake of the house be vented?

Does an attic insulation baffle restrict airflow?

What is the best way to fasten continuous soffit vents?

Is it OK to combine two different types of intake vents on the same roof?

Does an attic insulation baffle allow a rectangular undereave vent to have its intended net free area of airflow or is it reduced by the baffle?

Is it OK to mix or combine different types of attic intake vents?

Are there any special considerations when selecting vented soffit panel?

What options does Air Vent offer for fire-rated intake vents required in situations with close property lines between houses?

Is the 16 in. x 0.25 in. Rectangular White Built-in Screen Aluminum Soffit Vent paintable?

Does the surface of the 16 in. x 0.25 in. Rectangular White Corrosion Resistant Aluminum Soffit Vent need to be prepped before painting the vent?

Is the 2.75 in. x 96 in. Rectangular White Built-in Screen Aluminum Soffit Vent insect-proof?

Is the wire mesh on the 12 in. x 12 in. Square White Galvanized Steel Built-in Screen Gable Louver Vent small enough that insects can't get through?

Does the L flange go down or up on the 33.3 in. x 2 in. Rectangular Silver Built-in Screen Galvanized Steel Soffit Vent?

Is it OK to place intake vents in the angled rake of the house?

Are there any concerns using Vented Drip Edge and The Edge Vent on same roof?

Would you suggest using Vented Drip Edge or The Edge Vent with contemporary roof using vented nail base and all rake edges?

Is there a wildfire law that prevents or limits the installment of eave vents on residential homes in the hill areas in the state of California?

How important is intake ventilation as part of an overall attic ventilation system?

Can a roof louver be installed in the lower 1/3 area of a roof to provide for air intake instead of the soffit vents to ventilate a roof cavity?

See more

Edge Vent

What is the maximum and minimum roof pitch for The Edge Vent?

Customer is requesting the UV ratings on the parts of The Edge Vent that are exposed to the sun.

Will rain water get into The Edge Vent as it runs down a steep roof?

Is it OK to cut the airflow slot for The Edge Vent wider than the recommended 1 inch maximum?

Can The Edge Vent be installed under corrugated steel?

Does The Edge Vent have TDI?

Can The Edge Vent be used in conjunction with cedar shake applied on a 16/12 pitch roof?

Has The Edge Vent been tested in an asphalt shingle installation for fire resistance Class A applications?

Is there room for installer error when cutting the airflow slot for The Edge Vent?

Will Air Vent specify a type of fastener for The Edge Vent?

Is there a potential for pooling water behind The Edge Vent on 3/12 & 4/12 pitch roofs?

Is it OK to install The Edge Vent 2-3 feet down from the ridge as an exhaust vent?

Will every brand of shingle correctly align on The Edge Vent in terms of nailing requirements?

Are there any special considerations when trying to install The Edge Vent on a slate roof?

Is there a maximum shingle thickness on which The Edge Vent should not be used?

What is the size of the front louver openings of The Edge Vent?

Is it OK to install The Edge Vent in multiple rows horizontally?

Is it OK to install The Edge Vent on top of existing shingles instead of installing it on the bare roof deck?

Is it OK to move The Edge Vent up the roof 1 inch to avoid rain overshooting the gutter?

What are the roof pitch requirements for installing The Edge Vent?�

Is it OK to move The Edge Vent up the roof for a Bungalow style house

Can The Edge Vent be installed behind a gutter?

Can synthetic slate tiles be used with The Edge Vent?

Can The Edge Vent be used on a mansard roof?

Can The Edge Vent be used as an exhaust vent, for example in a roof-to-wall application?

Any suggestions for installing The Edge Vent in a valley?

Can The Edge Vent work with gutter protection devices?

Will The Edge Vent work with gutter protection devices that install under shingles?

Can The Edge Vent be used near a parapet wall and a roof drain on an EPDM roofing system?

What gutter protection devices does Air Vent recommend for use with The Edge Vent?

How do I install The Edge Vent on a house with a 6-foot overhang that is insulated to the roof sheeting from inside the attic in an older home?

Will granulated underlayment safely adhere to The Edge Vent?

Is it OK to add de-icing cables to The Edge Vent in an effort to fight ice dams?

Any tips for handling potential thermal expansion with The Edge Vent?

Can The Edge be used with other types of intake vents on the same house/roof?

How do you handle Edge Vent installation with open valleys?�

Can solar panels be installed on top of The Edge Vent?

Is it OK to install the Edge Vent on a house in the North (snow and ice dams) when there are gutters on the roof?

Can The Edge Vent be installed on top of gutter clips?

Any tips for installing The Edge Vent in conjunction with gutter protection devices?

Is it possible to see The Edge Vent slot opening from inside the attic?

Is the integrated, built-in end plug truly sealed from the weather?

Can an installer miter cut the end of The Edge Vent to become tapered to the outside edge of the rake of the roof?

Can The Edge Vent be installed on roofs with vented nail base?

Will Air Vent specify a type of fastener for The Edge Vent?�

Is the filter inside The Edge Vent removable?

Can a contractor reuse The Edge Vent after it's been installed during a re-roofing project?

Is it OK to move The Edge Vent 4.5 feet up the roof due to fire-rated plywood?

Can The Edge Vent be used on a gambrel roof?

Why must The Edge Vent be installed on a minimum 3/12 roof pitch?

Are there any special installation steps when installing gutters with The Edge Vent?

Can The Edge Vent be installed up the roof -- instead of at the very edge of the roof -- for roofs with exposed rafter tails/open soffits?

See more

Whole House Fan

Is there a troubleshooting tip for a whole house fan that runs on high speed but not on low speed?

Does the Air Vent belt-drive whole-house fan offer a better wattage to CFM ratio than the direct-drive whole-house fan?

Is it OK to use a whole house fan for horse riding arena? What ventilation products are best for a horse riding arena?

Does the state of Washington have any code restrictions for using whole house fans?

Where can someone obtain replacement parts for Air Vent Whole House Fans (Model WH302BD, for example)?

How do I correctly identify if the whole house fan I have is made by Air Vent?

Can the whole house fan wireless switch work with a retail remote controller?

Where is the fan blade positioned on a belt-drive whole-house fan compared to the motor on a whole-house fan?

What would cause a piece of metal frame to chip off on the motor side of the motor pulley on our belt-drive whole-house fans?

The shutter on my whole-house fan rattles and is very noisy. What can I do?

Can I mount the whole-house fan vertically?

Why is my whole-house fan only running on low speed?

Is it a good idea to insulate the whole-house fan in the winter months?

Is the whole-house fan two-speed switch resistor based or does it deliver voltage at a lower setting for the fan?

How much quieter is the belt-drive compared to the direct-drive?

Is it OK to have a roof-mount power fan in conjunction with a whole-house fan?

Can whole-house fan can work in conjunction with a roof-mount power fan already installed on the roof years ago?

How can I prevent the whole-house fan from blowing the attic insulation into the soffit area?

Any suggestions for insulating the shutter for a whole house fan?

How is a whole-house fan sized; how do whole-house fans work with attic vents? What size whole house fan will I need?

Why is it necessary to cut the joists when installing Belt-Drive Whole House Fans?

Is it OK to install 2 whole house fans in one house?

Is it OK to use a whole-house fan in a cupola?

Are Air Vent whole house fans rated for continuous operation?

Does the 30-inch belt-drive whole-house fan have bearings?

On a direct-drive whole-house fan where is the fan blade is supposed to be positioned compared to the motor on a whole-house fan?

See more

Ridge Vent

Are there any details of the testing and manufacturing involved with ShingleVent II-9A Class A Fire Rated?

What is the maximum width for cutting ridge vent slots?

Why is the ridge vent not laying flat on the roof?

Does the external baffle trap debris, pine needles and other weather elements? Will the external baffle clog?

Does wind direction (parallel vs. perpendicular) impact the ridge vent's performance with an external wind baffle?

Does ShingleVent II ridge vent have a UL listing?

Do the cap shingles that install on top of ridge vents come in certain sizes?

Compare ridge vents vs. power vents.

What is the expected CFM airflow per linear foot of ridge vent? How much CFM per linear foot does a ridge vent generate?

Will a wider ridge vent slot provide more Net Free Area through the vent?

Will metal ridge vents attract lightening?

Does CRV Continuous Ridge Vent have Miami Dade County approval?

Will insects enter the attic through ridge vents? Will insects enter the attic through the built-in end plug on ShingleVent II?

What if a ridge vent doesn't have an external baffle?

How do I install a balanced ridge vent system?

What does Air Vent's internal weather filter do?

What is a Ridge?

What are my options for a shake roof, a metal roof, and a tile roof?

Is there any testing showing how ShingleVent II performs in snow climates?

How do non-externally baffled ridge vents perform?

Can Ludowici Slate Tile be used on ShingleVent II-9?

When caulking underneath ShingleVent II installed on architectural shingles what type of caulk should be used?

Can I paint your metal ridge vents?

Can I stack two ridge vents on top of each other to double or increase the Net Free Area airflow?

If it's not possible to properly balance the ridge vent with sufficient intake, what are my options?

Is it OK to use a tripolymer sealant or caulk with ShingleVent II to fill the gaps between the vent and dimensional shingles?

Can ShingleVent II be used on the diagonal hips of a roof?

Will ShingleVent II plastic ridge vent crack in cold temperatures?

How do you minimize thermal expansion with a rolled ridge vent since unlike 4-foot stick ridge vents you cannot leave a gap between sections during installation?

Does the external baffle height on the ridge vent matter?

What exactly was involved in the ShingleVent II weather filter dust infiltration testing?

Is it OK to use a nail gun to install ShingleVent II plastic ridge vent?

If the ridge vent slot is cut too wide what can be done?

Is ShingleVent II ridge vent rated to withstand 130 MPH winds?

Is it possible to fix a ridge vent slot that is too wide from inside the attic?

Will ShingleVent II plastic ridge vent blow off at the very edge of the roof?

Does roof pitch affect the performance of the external wind baffle on the ridge vent?

Could a ridge vent be used on a turret?

Is ShingleVent II recyclable?

What would cause the ridge vent to not lay flat on the roof after installation?

Is it OK to wait 2 weeks before installing the cap shingles on top of ShingleVent II ridge vent?

Could ShingleVent II be cut in half to work like Flash FilterVent without making the product warranty void?

How do you ventilate a roof that has two different ridge heights?

Is it possible for ShingleVent II to shrink 1/2 inch between 4-foot sticks?

Can you please explain the Net Free Area differences between ShingleVent II 12-inch and ShingleVent II 9-inch wide.

Do ShingleVent II and/or The Edge Vent meet International Wildland Urban Interface requirements?

Can ShingleVent II (the vent itself) to be fastened to the roof deck with a nail gun?

How many nails are included with ShingleVent II ridge vent?

How are the nails to be used when they are included with ShingleVent II?

How do you terminate the end of the ridge vent?

Is it OK to install ShingleVent II on roof pitches less than 3/12?

Why is the range of roof pitches for CRV ridge vent limited to max 5/12?

Does Air Vent make a shingle-over ridge vent that will work with a metric size shingle?

Is it possible for bats to chew through the plastic ShingleVent II and enter the attic?

Is it absolutely necessary to install ridge cap shingles on ShingleVent II?

Is there ever expansion or shrinkage with ShingleVent II plastic ridge vent?

What would cause a ridge vent to pull in chimney smoke?

What is the widest house on which a ridge vent will be effective?

What is the recommended way to nail ShingleVent II ridge vent?

See more

Power Fans

What is UL's concern/requirement that power fans each have a dedicated thermostat controller (or thermostat/humidistat controller) as opposed to wiring two power fans to one?

Is there anything in writing by Air Vent explaining that the thermal cutoff for motors is 260 degrees?

What color paint is used on our Model SHT15W Automatic Gable-Mount Fan Shutter?

What size Allen wrench is needed to get the set screw off of the roof-mount power fan Model ASRHP?

Is the Air Vent WCGB gable-mount power fan wiring made of copper?

Can Air Vent's gable-mount power fan be used in a horizontal position to ventilate my garage through the attic?

My power attic ventilator has burned out completely. What do I need to check to make sure this doesn't happen again?

Is there anything I can do when my power attic ventilator equipped with a humidistat runs all the time?

Can I use a gable-mount power attic ventilator to vent a workshop, restaurant, dry cleaners, etc?

What are the benefits of installing a power vent with a thermostat/humidistat?

How do you determine watts for a motor? Is there a formula for calculating watts?

Can the power fan hole be square instead of round?

What would cause a strong exhaust coming back into the attic from the sides of the gable-mount exhaust fan?

Can Air Vent power fans be used in commercial roofing projects?

What would cause a power fan motor to burn out prematurely?

Where on the roof should a power vent be installed? Where on the roof should multiple power vents be installed if the attic requires two power vents on the same roof?

Why does the gable-mount power fan have a 3-ring design shroud?

How do power fan thermostats actually work?

Do power fans have thermal overload protection?

Is it OK to use a rectangular undereave vent or other style gable louver as the shutter for a gable-mount fan?

How does the humidistat work on a power fan?

Are there any aftermarket humidistats that can be added to Air Vent power fans that are currently only equipped with a thermostat?

What is the difference between an AC motor and a DC motor?

Are there any solutions or troubleshooting tips to minimize the vibration and loudness of the gable-mount power fans?

What are the recommended thermostat and humidistat settings for electric power fans?

If I know the attic square footage a power fan services, can I determine the fan's CFM rating?

Is it possible to extend the wiring safely for the thermostat or the thermostat/humidistat on an electrical power vent?

Does the dual control humidistat and thermostat on a power fan allow you to control moisture and heat separately?

Do motors have classes of ratings?

What is the power fan's CFM if all we know is the attic square footage the fan can service?

Will a power fan lift or disturb blown-in insulation?

What is the operating temperature of the Air Vent gable-mount WCGB power fan motor? �

Would it be OK to install an ON/OFF switch to override the thermostat on Air Vent power fans? �Does this affect the UL rating?

Could I build a curb to create a 3/12 roof pitch on a flat roof so a power fan can then be installed?

What is the rated air movement in CFM (cubic feet of airflow per minute) for a solar powered fan?

Is it OK to use solar powered fan with cupola?

Is it OK to paint the galvanized flashing of the Air Vent roof-mount power fans?

From inside the attic looking at the gable-mount power vent which direction should fan blades move: clockwise or counter-clockwise?

Is it OK to connect multiple power vents to a single thermostat or single controller?

As you look up from inside the attic into the underside of a roof-mount power fan which direction do the fan blades rotate: clockwise or counterclockwise please?

Can you purchase the thermal overload protection for a motor separately as an add-on feature?

What is the recommended thermostat setting on your power vents? What is the recommended humidistat setting on your power vents?

Why would the power fan run non-stop?

Will a constant strong wind affect the performance of a power vent?

What size ground nut or ground screw is needed to ground gable-mount electric power fan Model WCGA?

Can speed controls made by other manufactures be used with Air Vent roof-mount power fans?

Any tips if a roof-mount power fan is installed on a roof with the AC mechanicals in the attic?

Are there installation instructions specific to replacing the motor and rubber boot in the SC8BL solar powered roof-mount fan?

Do you have information for painting the SHT15W Gable Fan Shutter?

Is it OK to install an on/off switch inside the living space to control the thermostat/humidistat control box of the power fan?

Explain the 3 black wires and 1 white wire coming out of the Model APG gable-mount power vent thermostat.

Is it OK to use Air Vent power fans in an industrial/commercial application with granite material in the facility with lots of debris?

When sizing power vent CFM where does the 0.7 come from? Where does the 300 come from for power vent intake requirements?

How critical is the stamped directional arrow on the power fan for installation purposes?

Why do I need a humidistat with my power attic ventilator?

See more

Ice Dams

What is a Ice Dam?

How does a cold roof help prevent ice dams?

Can you provide some guidance for fighting ice dams?

Internal Weather Filter

Why does the internal weather filter inside some of your vents feel somewhat flimsy?

What is the purpose of the filter in the ridge vent?

Does the internal weather filter clog?

What is the name or type of geo textile material that makes up the Air Vent internal weather filter?

Does the internal weather filter affect Net Free Area?

How would an installer retrofit the internal weather filter into the ridge vent?

Exactly what type of insects will the internal weather filter keep out?

See more

External Wind Baffle

What is an External Wind Baffle?

How does the Air Vent external baffle work?

Will pine needles and debris collect inside the external baffle of the ridge vent?

Exhaust Vent

Which side of the house should exhaust vents be installed such as wind turbinesor roof louvers?

Is it OK to re-use attic vents once removed? Can a contractor re-use exhaust vents if the insurance company is unwilling to pay for brand new vents?

How would someone exhaust vent a roof with a circular peak? The ceiling inside is vaulted.

What is a Exhaust Vent?

Does Air Vent have any exhaust vent options for less than 3/12 roof pitch?

Can I use metric shingles on ShingleVent II?

See more

Solar Power Fans

What are the cost benefits of installing a solar attic fan?

How much sun is needed to power the solar power fans?

Does the solar panel use MPPT technology?

Can a customer wire 2 power fans into one Solar Controller?

Are there tax credits available for solar powered fans?

Can you explain the difference between tinned copper wire vs steel or aluminum wire?

Customer is would like to know what is the lowest CFM range Air Vent?s solar powered fan runs on?

How can I disable the Thermal Switch in the solar power fan's remote control?

Customer wants to know the wind resistance rating for the Air Vent NPSP8WW solar power fan.

Will the solar powered attic fan continue to run after dark?

Can the black housing on the solar power fan be painted to match the roof shingles?

Is the solar attic fan noisy?

Is it acceptable to install the solar panel directly into the asphalt shingles using screws?

The solar powered fan does not seem to be running at full capacity. Why?

Is it OK to add a thermostat/humidistat to the solar powered fans?

Can I replace my existing roof louver (box vent, static vent) or wind turbine with the solar powered attic fan?

What impacts the performance of the solar power fan?

Can a remote switch be installed on the solar powered fan like an on/off wall switch?

What is the diameter of the actual fan blades for the SC8BL solar powered fan?

What is the life span of the dc motors that are in your solar attic fans?

Can a solar powered fan interfere with the garage door remote signals?

What happens if the solar panel is covered by snow?

See more

Roof Louvers

What is the purpose of the rain diverter found on some roof louvers?

What does 8 mesh screen mean when it's referenced in a description of an Air Vent roof louver?

Any recommendations for using sealants or cements that have petroleum content during installation of plastic roof louvers?

Where is the filter inside the SLA roof louvers?

Is there UV stabilization for the SLP61 roof louver?

Is it OK to nail gun SLP roof louvers also known as slant back roof louvers?

Do you have any special guidance specific to nail length when installing roof louvers?

Is it OK to use 1.25" inch nails to install box vents?

Is it a problem if the B144 roof louvers is installed in such a way that the edge of the vent dome is above the peak of the roof?

Can a flanged roof louver be installed on a a 5-V-Crimp metal roof?

Is it OK to use an exhaust vent low on the roof for intake ventilation?

Is it OK to paint Air Vent's plastic roof louvers?

What does bonderized mean in the T-Top 4 in. Bonderized Steel Exhaust Vent Pipe Flashing?

Can the 12 in. Galvanized Steel Half-Round Dormer Vent with Soft Aluminum Flange be used for a shingle roof?

Can the Galvanized Steel Roof Vent 38 sq. in. Net Free Area be used as vents for bathroom fan or microwave exhaust?

What colours are available for the 4 ft. Galvanized Steel Off Ridge Vent?

Beisdes brown and brown/tan, what other colors are available for the Square Top Galvanized Steel Roof Vent?

Is the Galvanized Steel Roof Vent 38 sq. in. Net Free Area suitable for snowy conditions?

Does the T-Top 4 in. Bonderized Steel Exhaust Vent Pipe Flashing include anything for bird or insect protection?

Why does the flange for the 4 in. Black Plastic Roof Cap Vent state "No Roof Tar or Cement"?

What is the size of the hole for the RVG55 roof louver?

What size nail is required when installing roof louvers (box vents)?

For the Air Vent SQP61 roof louver what does rain diverter throat mean?

How far from the peak of the roof should Air Vent Box Vents be installed?

Your installation instructions for roof louvers cover retrofit (reroofing) only. What instructions can you provide for roof louver new construction installation?

See more

Undereave Vents

Does it matter which direction the louvers face on rectangular undereave vents when they are installed?

How far apart can I install rectangular undereave vents? What size hole is required for the undereave vents?

Is it possible rodents are eating through the plastic oval undereave vents?

It is OK to remove the screen in the rectangular undereave vents to minimize it becoming clogged with dirt and debris?

Mini Louvers

How do mini-louvers perform?

Bath/Dryer Vent

Is it OK to use the Air Vent Bath/Dryer Vent on the roof as an exhaust outlet for a direct vent furnace?

Is it OK to remove the screen from the Bath Vent when using it as a Dryer Vent?

Can the Bath/Dryer Vent be installed on a cedar shake roof?

Is it OK to duct a bathroom exhaust fan directly to the underside of a ridge vent?

Is it possible to remove the screen from inside the Air Vent Bath/Dryer Fan?

Is it OK to use tar when installing the Bath/Dryer Vent?

Is the 8 in. x 4 in. Steel Dryer Vent Stucco Ready with Damper rodent, snake and bird proof?

Can the 8 in. x 4 in. Steel Dryer Vent Stucco Ready with Damper be used for a range hood exhaust?

What type of screw is needed to attach the 8 in. x 4 in. Steel Dryer Vent Stucco Ready with Damper to stucco wall?

When installing the Bath/Dryer Vent is it necessary to use foam sealant or 100% silicone sealant?

What style of hose or ductwork would be used to install the Air Vent Bath Vent?

Is it OK to paint the Air Vent Bath/Dryer Vent?

See more

Continuous Soffit Vents

Any suggestions regarding how to paint continuous soffit vents?

Is it necessary to leave room for thermal expansion between two lengths of continuous soffit? When installing 4-foot sticks of rigid ridge vent it is recommended to leave a 1/8th gap between the piece

Will the 16 in. x 0.25 in. Rectangular White Built-in Screen Aluminum Soffit Vent withstand birds pecking on it?

Wind Turbines

Can a wind turbine designed for residential applications be used on a commercial flat roof?

What is a Delrin ball bearing?

Is there an installation instruction sheet for the wind turbine head for the Model WTI12?

What might cause a wind turbine to stop spinning?

Which direction do wind turbines spin? Does outside temperature affect the direction wind turbines spin?

See more

Foundation Vents

What is the metal thickness for our ALSL vents?

Can the RABL foundation vent be installed vertically instead of horizontally?

Is it OK to use low-expansion filler around the foundation vents to help keep ants from coming through thin gaps between the existing metal vents and the cinder block.

What is the thickness of the VWBL Vent Well?

If the Radon Power Vents are not blowing from the outside into the crawlspace, is it possible the wrong motor has been installed during the assembly process?

Where does the lintel go on PSLSBL Sliders during installation?

Does Air Vent make a fire rated foundation vent for use at high altitude?

What material is the TV6 Foundation Vent made out of?

How do you make sure that you don't have areas with static air when using a powered foundation vent system?

How do the positioning screws work on the Temp-Vent foundation vents?

What if there is not enough room to install automatic foundation vents from the outside?

How do you size foundation vents?

Why is crawlspace ventilation important?

Is it OK to use an automatic foundation vent in a garage attic door?

What gauge metal is the 20 in. x 4 in. x 12 in. Foundation Vent Well made from?

What is the cut out size for the 14 in. x 6 in. Bonderized Steel Vulcan Foundation Vent?

Does the 6 in. Galvanized Steel Foundation Vent have a built-in screen?

Does the 14 in. x 6 in. Galvanized Steel Foundation Vent go inwards?

Can the 14 in. x 6 in. Galvanized Steel Foundation Vent be installed in cement board skirting of a manufactured home?

What size concrete anchors are needed for the 12 in. Foundation Vent Well?

What is the best way to mount the 6 in. Galvanized Steel Foundation Vent to a stucco exterior?

Can the 14 in. x 6 in. Bonderized Steel Foundation Vent be installed using a quick-setting glue instead of nailing or screwing?

Will the screw-on 14 in. x 6 in. Galvanized Steel Foundation Vent mount flush over the foundation hole in the concrete?

See more

Skylight Tubes

Will the Skylight Tube work on cloudy days?

What are the financial benefits of installing a Skylight Tube?

Do solar power fans qualify for a Federal Tax Credit? Do skylight tubes qualify for a Federal Tax Credit?

What is the maximum roof pitch for the 14" Skylight Tube?

A homeowner is being asked by an inspector how many lumens the Skylight Tubes allow.

What is the benefit of bringing natural light into a home?

Will the Skylight Tube allow heat in or out of my home?

Will condensation build up in the tube or fixtures of the Skylight Tubes?

Can a Skylight Tube improve my lifestyle?

Do your skylight tubes provide any kind of UV light protection?

See more

Shingles

Would radiant barrier coupled with the lack of attic ventilation contribute to the shingles blistering?

Underlayment

Should waterproofing underlayment go over or under metal drip edge?

Vented Drip Edge

Is it OK to reuse Vented Drip Edge?

Will Vented Drip Edge allow weather infiltration due to the gutter becoming packed with snow, ice or rain water?

What would cause the gutter underneath Vented Drip Edge to fill up with ice?

Can Vented Drip Edge be used on Spanish tile roofs?

In the Air Vent Installation Instructions what is the purpose of the sub-fascia board shown in the illustration for Vented Drip Edge?

Will gutter protection devices work with Vented Drip Edge?

Is it necessary to extend the shingle starter course beyond the very edge of Vented Drip Edge?

Customer is planning to use Vented Drip Edge. It appears that there may be a conflict with the gutters.� We understand the gutters should be 2? lower than the vented drip edge as to prevent inhibiting

Can Vented Drip Edge be used on a cold roof on top of a Structural Insulated Panel (SIP) roof?

See more

Wall Louvers

What is the thickness or depth of the 12 x 12 wall louvers?

What is the actual hole opening supposed to be for a rectangular Gable Louver if, for example, the vent is 18" x 24"?

Should gable louvers be used on the same roof that already has another type of exhaust vent?

What is the recommended method of securing the 14 in. x 24 in. Rectangular White Galvanized Steel Built-in Screen Gable Louver Vent into a stucco exterior wall?

Can the 18 in. Rectangular White Galvanized Steel Built-in Screen Gable Louver Vent be painted?

Is the 14-in x 24-in White Rectangle Steel Gable Vent paintable?

Is the 12 in. x 18 in. Rectangular White Galvanized Steel Built-in Screen Gable Louver Vent paintable?

Is the 14 in in. x 24 in Rectangular Silver Galvanized Steel Built-in Screen Gable Louver Vent paintable?

Does the 2.31 in in. x 0.5 in in. Round Top Aluminum Corrosion Resistant Wall Louver Vent have a collar on the back?

How to install the 12 in. x 12 in. Square White Galvanized Steel Built-in Screen Gable Louver Vent with lap siding?

Can the 24.25 in. x 2 in. Rectangular Silver Built-in Screen Galvanized Steel Soffit Vent be attached with screws?

If rectangular wall louvers do not have a screen what keeps the bugs and birds out?

See more

Kwikmesh

Is the 12 in. x 20 ft. Kwikmesh Utility Screen Roll material hard or is it more flexible like fabric?

How do you install the 4 in. x 25 ft. Kwikmesh Utility Screen Roll on a flat surface?

Flue Guard

Does the 24 in. Adjustable Flue Guard Chimney Cap Spark Arrestor prevent bees and other insects from getting in?

Off Ridge Vent

Does the 4 ft. Galvanized Steel Off Ridge Vent have a Florida Product Approval or Miami/Dade number?

Do you have a Florida approval on your Tile Off Ridge Vents?

Do you have a Florida approval on your Shingle Off Ridge Vents?