Overlaying EPDM

Old 05-18-19, 08:43 AM
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Join Date: Mar 2008
Location: Boulder, CO
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Overlaying EPDM

I have a "flat" EPDM roof with a redwood deck on top. Currently all the decking is removed due to rotten sleepers. The roof originally had a dam around the perimeter where the rubber was higher due to flashing underneath. I made the dam higher by adding drip edge capped with EPDM edging. The maximum "lake" depth is about 1/4". Are there any unforeseen problems with overlaying more EPDM to raise the "lake" bottom so less water pools and it dries quicker to minimize future sleeper rot?

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