Ponding On Flat Roof

Flat roofs by their very nature will collect some water when it rains.

Ponding on flat roof.

Ponding problems for flat roofs. If this water sits on the roof for more than 48 hours after the rain has stopped it can cause considerable damage to whatever roof surface you have. One of the biggest problems with large flat roofs is that they tend to pond water in certain areas. And as a result water can end up building up on your roof causing small bodies of rainwater to become an almost permanent feature.

Ask your sarasota area roofing contractor if you need to install crickets which are triangles of insulation which steers water flow around these elements. 3 use the utility knife to cut a 12 inch diameter circular patch out of the rolled asphalt roofing. Those pitched roofs have a natural slope where the water can run down draining off the roof. Install additional drains.

Degrading roofing materials particularly on older modified and built up roofs extra stress and damage to the load bearing structure due to the extra weight of the water in winter freezing standing water will expand causing more damage where seams overlap. However this isn t the case for all flat roofs. Long term effects of ponding water on a flat roof if your commercial building has a flat roof sometimes there is a problem with ponding water. A sagging roof deck.

However excessive ponding threatens your roof. It will actually destroy just about every roof coating there is even ours. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. How to stop ponding from happening fixing low spots on flat roofs.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. This is because flat roofs do not drain water as effectively as their pitched counterparts. Dry the puddled water with old rags or towels and allow the roof exterior to completely air dry. But there is one definitive downside to those flat roofs.

Common problems caused by flat roof ponding. Having a flat roof can have a lot of benefits to it. This is especially prevalent after a lot of rainstorms. Opening or unclogging existing drains.

Because these roofs don t drain water that well they are prone to developing what is known as ponding water. Flat roofs have subtle slopes to facilitate drainage. Ponding can occur on flat and low slope roofs that are installed using tarpaper roofing tar and fine gravel or a similar built up system. Ponding is caused by a range of factors including.

Low spots in the roofing allow water to pond which can. The easiest way to prevent water ponding is to clean the drains rain gutters. It may also void your warranty.