Rubber Roof Standing Water

This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof.

Rubber roof standing water.

This is especially prevalent after a lot of rainstorms. I have a relatively new rubber flat roof. Such rubber roofing is available in big rolls which are simply attached to the roof sub surface utilizing an adhesive and not nails. The contractor swears up and down it is fine and to think of swimming pools and how they hold water year round.

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. Inadequate or obstructed roof drainage. I notice that water pools in numerous locations about 10 20 feet from back of house.

Ponding water is defined by the roofing industry as water that remains on the roof for longer the 48 hours after rain. Standing water on a flat roof add weight that will affect the structure of the roof the weight of the water pooling on a roof can cause the joists to bow and in turn cause more water to accumulate. How to fix water puddling on a flat roof. By their very nature flat roofs do not completely drain after it rains.

If this is the case there is a high chance that the ponding water will stay on the roof for a long period of time causing the collection of water to become bigger. Since no nail holes result from this type of rubber roof installation there is no place for standing water to enter the roof. Drains towards rear will this pooling create problems when it ices up or compromise the rubber or its seams. It is is very important to correct this issue before it becomes irreversible and costly repair follows.