Standing Water On Roof

Standing water is typically defined as a collection of water on a roof which hasn t drained within 48 hours after rainfall.

Standing water on roof.

The weight of the water pooling on a roof can cause the joists to bow and in turn cause more water to accumulate. Standing water develops when your roof s surface formulate small channels or canals where rain pools. 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. As old roofing surfaces wear out or curve it becomes harder for water to flow off of the roof.

This is especially prevalent after a lot of rainstorms. To resolve ponding before it damages the roof determine the cause of the ponding and select the appropriate solution. Standing water can appear on any part of your roof. Standing water is defined as any water on a roof that hasn t drained or dissipated within 48 hours after rainfall or other precipitation.

After the 2 days the water is going to start sinking into the roof system. If water is backing onto the roof clean out the gutters to restore proper water flow. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. It s best to have a pitch of 0 5 12 or 1 12 that can help drain water towards the appropriate gutter systems.

Long term effects of ignoring ponding water on a flat roof by ignoring long term ponding water on a commercial flat roof you increase the odds of having serious roofing problems. Depending upon the structure you could start to see mold grow on wood. This can be done professionally or by homeowners who have access to a ladder and a power washer or a hose with. The longer the water sits the more it is going to cause various dips within the roof.

A roof should not have puddles because roofs are not designed to hold the weight of a large amount of water. Standing water on a flat rooftop is a problem since rooftops are designed to quickly drain out any water as soon as possible so it does not leak into cracks and passageways. It is is very important to correct this issue before it becomes irreversible and costly repair follows. The problem may start to spread.

This means that once the rain stops you have about 2 days to get rid of the standing water or puddles that are on the roof. If your commercial building has a flat roof sometimes there is a problem with ponding water. Standing water on a flat roof add weight that will affect the structure of the roof. The water will stick around on the roof thus adding weight and stress onto the surface.

Crushed insulation causing low spots.