samsterid Posted April 21, 2018 Share Posted April 21, 2018 (edited) I know there are a few here who have succeeded with re-coating their RV roof with EPDM Liquid Roof. I have a 1986 Dolphin and just started doing the prep work before priming the roof. I have removed all old vents from my roof so I can install new vents and fans. I'm thinking it would be a lot easier to coat the roof without any vents in the way. If I coat the roof first with EPDM liquid roof, will the standard butyl tape installed for each new vent adhere to the fresh EPDM? Or should I install the vents after priming, but before applying the liquid roof? Thanks for any help . . . Sam Edited April 21, 2018 by samsterid Quote Link to comment Share on other sites More sharing options...
linda s Posted April 21, 2018 Share Posted April 21, 2018 Butyl tape will adhere to anything. I would be more worried about lifting the epdm if you try to reposition anything. Wouldn't hurt to go around the inside edges of the vent holes with the epdm either. Linda S Quote Link to comment Share on other sites More sharing options...
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