What material is the TV6 Foundation Vent made out of? The TV6 Foundation Vent is made out of high density polyethylene. The housing is produced from high density polyethylene (HDPE).
![GBAD Full Color.png]](https://help.gibraltarbuildingproducts.com/hs-fs/hubfs/GBAD%20Full%20Color.png?height=40&name=GBAD%20Full%20Color.png){kind=small}