Flat Roof Drain Repair

Step 4 replace parts.

Flat roof drain repair. On large flat roofs mainly on commercial buildings or large residential complexes you ll likely find internal drainage systems. Flat roof drains scuppers gutters and drainage systems on flat roofs one of the most overlooked items on a flat roof is the draining system. How to repair a leaky drain with a rubber membrane on an old tar roof. While this system is less likely to sustain damage any damage that does occur must be repaired by a professional roofing technician.

The average flat roof does not have an optimized draining system. Unlike scupper or gutter drainage systems in which water flows off the side of the roof internal systems allow for drains to be strategically placed throughout a roof deck to ensure water doesn t pool. If it is a large hole which has caused significant damage cover the roof cement with a piece of sheet metal as an additional patch. The drains and pipes can easily become clogged with debris.

Interior drains are the most expensive flat roof drainage system. Using this method permits adding a drain at the roof s low point. How to fix ponding on a flat roof depends on the cause of the ponding. More attention should be given to the location of a drainage system to avoid future problems.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. The issue may have to do with the slope of the roof or with its drainage. Spread roofing cement over the hole in the roof drain and the surrounding area before leaving it to dry. Notice that the new drain extends through the shortest possible route to the building exterior where it is conducted to ground or to a storm drain.

Roof drains on flat roofs are one of the most problematic objects. Flat roof repair how to make a repair on a torch down rubber roof duration. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. Adding drains for ponding roofs it is possible to add new roof drains to relieve ponding on a sagged flat roof as shown at left.