Flat Roof Clogged Drain

A rooftop garden or additional outside living space are the top reasons people choose flat roofs.

Flat roof clogged drain.

Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris. This will cause water to back up on the roof and can lead to leakage that runs into the building. To design a sloped or flat roof drainage system we need to know the anticipated maximum rainfall rate and the flat or projected roof area. Flat type roofs often have leaves and other debris that gathers on them overtime.

A clog anywhere in this drain will lead to reduced drainage in many other drains in the house. Ponding water on flat roofs reduces the roof s lifespan. If you could hear a gurgling sound as the water drains there are higher probabilities. A roof drain is often used on flat roofs to connect the roof to the outlet pipe.

Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. Regular maintenance of the roof drains is. Over the years a roof drain can become clogged with debris causing a back up of water that could flow over the flashing and into the attic of the house. However they will need cleaning from time to time as they tend to clog.

The most serious issue with clogged drains is ponding the build up of water that cannot get through the scupper or internal drain. From there water may leak into the ceilings and down the walls. The greenslope roof ponding repair kit provides a lightweight inexpensive solution to flat roof ponding. The one challenge with flat roofing is ensuring proper drainage.

A leaky roof might not be coming from the roof itself but from clogged roof drains. What is the general area of a flat 1 4 1 0 slope single ply roof for each roof drain ratio for the number of roof drains roof area. Leaves can form a blockage or small animals can nest on them. At psi roofing we have seen every variation of flat roof drainage and every system is susceptible to getting clogged drains.

It is difficult to understand whether the clog is in the roof or in those drains. If the leaves and debris are not occasionally removed the drains may get clogged or restricted by the debris. The most critical of these issues is the flat roof drainage systems. 6 24 2014 david howard aia said.

Your building and location can help determine which drain will fit your roof needs. There are several drainage options to repair pooling or ponding water on flat roofs including internal drains gutters and downspouts scuppers and roof leveling compounds.