Ponding On Flat Roofs Uk

Ponding can damage a roof s structural integrity resulting in expensive repairs and potentially invalidating warranties.

Ponding on flat roofs uk.

Ponding problems for flat roofs. Malarkey roofing products approves the use of the roofslope product as an alternative to help alleviate small ponding water areas on existing installed roofing systems. After any rainfall lands on a flat roof water will begin to pool. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.

This can result in ponding which can cause damage to your roof if not dealt with properly. Ponding is caused by a range of factors including. With flat roofs however this pitch is minimal about 10 degrees and so they are more likely to collect standing water if designed inefficiently. Greenslope roof ponding repair kit.

And standing water on a flat roof is a common problem. It is standard for roofs to be constructed with a quarter inch drop for every foot but this slope can be eroded over time. However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate. Flat roofs by their very nature will collect some water when it rains.

On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. A sagging roof deck. Lighter than both water and concrete filler products greenslope helps reduce stress on flat roof systems. Well there are many including.

Greenslope s helps facilitate proper water drainage when applied to low ponding areas on flat rooftops. This can cause damage to the roof structure dirt and debris to collect and increased algae growth. The eco friendly solution to ponding water. Ponding occurs on roofs that are too flat to allow proper drainage of water.

Wed 02 01 2019 roofs are not designed to hold a large weight of water so any pooling or ponding water that does not drain away from a flat roof within 48 hours indicates a serious problem. Creating a permanently damp environment which is perfect for moss. It may also void your warranty. How to fix ponding on a flat roof depends on the cause of the ponding.

On a performing flat roof ponding water isn t a problem as it will just drain away. So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. Common problems caused by flat roof ponding. However excessive ponding threatens your roof.

Structural evaluation should be done to determine whether or not the added weight can be allowed for the structure. So what are the problems associated with ponding on a flat roof. With the british climate being what it is we know a thing or two about rainfall here in the uk.