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  • EPDM Flat Roofing Systems for the Trade & DIY
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Does it have to be dry for EPDM roofing to be laid?

Yes, EPDM Membranes require the substrate to be dry prior to installation. This is so the the adhesive & primers can effectively bond the rubber to roof deck. EPDM products will not adhere to wet or damp surfaces. Trapped moisture may vaporize and negatively affect the performance of the membranes.

Full Answer

EPDM Membranes require the sustrate to be dry prior to installation. This is so the the adheshive & primers can effectively bond the rubber to roof deck. EPDM products will not adhere to wet or damp surfaces. Trapped moisture may vaporize and negatively affect the performance of the membranes. 

Apply Water based Deck Adhesive