How To Repair A Flat Roof Drain

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How to repair a flat roof drain.

Repair flat roof seams and drains with polyprene. This feature is not available right now. Dry the puddled water with old rags or towels and allow the roof exterior to completely air dry. Spread roofing cement over the hole in the roof drain and the surrounding area before leaving it to dry.

Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris. Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. Often something as simple as a clogged drain can cause serious pooling on a flat roof. 3 use the utility knife to cut a 12 inch diameter circular patch out of the rolled asphalt roofing.

Dry it thoroughly and prepare the surface by rubbing it with coarse sandpaper. Unclogging the drain will solve the problem. The board is installed in steps with the thinnest boards at and around the drains. The one challenge with flat roofing is ensuring proper drainage.

Published on nov 3 2015. If it is a large hole which has caused significant damage cover the roof cement with a piece of sheet metal as an additional patch. Step 4 replace parts. Start by looking for plugged drains.