Ponding On Flat Roof

One of the biggest problems with large flat roofs is that they tend to pond water in certain areas.

Ponding on flat roof.

However excessive ponding threatens your roof. Ponding is caused by a range of factors including. It may also void your warranty. Opening or unclogging existing drains.

This is because flat roofs do not drain water as effectively as their pitched counterparts. 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. It will actually destroy just about every roof coating there is even ours. Ask your sarasota area roofing contractor if you need to install crickets which are triangles of insulation which steers water flow around these elements.

Ponding problems for flat roofs. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. If there are low spots on the. How to stop ponding from happening fixing low spots on flat roofs.

Air conditioning units skylights or vents placed around the flat roof may stop the intended flow of water and cause pooling or ponding in their vicinity. 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. This is known as ponding and it can bring a range of potential problems.

And as a result water can end up building up on your roof causing small bodies of rainwater to become an almost permanent feature. 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. The easiest way to prevent water ponding is to clean the drains rain gutters. However this isn t the case for all flat roofs.

A sagging roof deck. Having a flat roof can have a lot of benefits to it. Install additional drains. Flat roofs have subtle slopes to facilitate drainage.

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

Because these roofs don t drain water that well they are prone to developing what is known as ponding water. 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. So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it.