--- title: Can the 10 ft. SM-Rib Galvalume Steel 29-Gauge Roof/Siding Panel be installed over existing shingles? description: We do not recommend installing our roof panel over shingles --- [Skip to content](https://help.gibraltarbuildingproducts.com/en/knowledge/can-the-10-ft.-sm-rib-galvalume-steel-29-gauge-roof/siding-panel-be-installed-over-existing-shingles#main-content) English Show submenu for translations ![GBAD Full Color.png](https://blog.stealthbond.com/hubfs/GBAD%20Full%20Color.png) Open main navigation Close main navigation - English Show submenu for translations - Go to www.gibraltarbuildingproducts.com Go to www.gibraltarbuildingproducts.com Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://help.gibraltarbuildingproducts.com/en/knowledge?hsLang=en) 2. [Metal Roofing](https://help.gibraltarbuildingproducts.com/en/knowledge/metal-roofing?hsLang=en) 3. [Metal Roofing](https://help.gibraltarbuildingproducts.com/en/knowledge/metal-roofing?hsLang=en#metal-roofing) # Can the 10 ft. SM-Rib Galvalume Steel 29-Gauge Roof/Siding Panel be installed over existing shingles? ## We do not recommend installing our roof panel over shingles We do not recommend installing our roof panel over shingles because if moisture and heat gets trapped in between the existing roof and metal roof, it can cause rot and mold. 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