Ponding Water on Roof

If you get a leak due to ponding water that’s been on a flat roof for a few months, don’t blame the ponding water – blame the roof. A quality roof completely seals out water. As long as it’s maintained, it will stay sealed and
won’t leak.
 When a roof is built, it’s designed to prevent water from ponding. Even flat roofs have a slight slope to them. The guideline is ¼” per foot, minimum. The roof should be sloped in a way that guides water
towards the drains. As long as the drains are clear, the water won’t pond.
 A drain that has been clogged for too long will also cause a lot of ponding water on the roof. 


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Ponding Water

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Design Roofing is the premier Vancouver, Lower Mainland and Greater Toronto Area commercial & Strata roofing contractor, providing Quality on Top since 1984. As a member of the Canadian Roofing Contractors Association (CRCA)and the Roofing Contractors Association of BC (RCABC), our professional approach to commercial and industrial roof installation, roof maintenance and repairs has earned us a reputation of excellence among architects, general contractors, roof consultants and building owners alike.

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