Roofing Standing Water

How much more when the type of roof that you have is a flat one.

Roofing standing water.

As old roofing surfaces wear out or curve it becomes harder for water to flow off of the roof. If your commercial building has a flat roof sometimes there is a problem with ponding water. Ponding water isn t an immediate threat in fact roof membranes are made with the same material as pond liners so water penetration is unlikely. Over time however ponding water can lead to accelerated aging of the roof membrane.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Long term effects of ponding water on a flat roof. Having some standing water on a roof can be so stressful. Standing water will create the need for roof maintenance because a roof leak repair will be the order of the day when ponding persists.

This is especially prevalent after a lot of rainstorms. If water is backing onto the roof clean out the gutters to restore proper water flow. Per inch per square foot of roof surface. Occasional minor ponding on a roof doesn t really create problems that much.

Ponding water accelerates roof system aging by. Standing water is typically defined as a collection of water on a roof which hasn t drained within 48 hours after rainfall. That can be extremely dangerous for your roof if too much water accumulates. Check the gutters for any backup of debris that could prevent water from draining properly.

A standing water area of only 10 by 10 and 1 deep is 200 total square feet and an additional live roof weight of 1 000 pounds. The water will stick around on the roof thus adding weight and stress onto the surface. Standing water weighs approximately 5 lbs. Standing water develops when your roof s surface formulate small channels or canals where rain pools.

When can it damage the roof. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. This is the greatest risk you take if you don. Water sitting on a roof will be there for an extended period and find a way into your roofing system that is a given.