Fix Slope Problem Drainage Flat Roof

How to fix water puddling on a flat roof.

Fix slope problem drainage flat roof.

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. This roof ponding repair kit can be topcoated with all commonly used roof coatings to waterproof a flat roof. For clarity flat roofs actually have a slight slope to allow rain water to drain off the roof but they seem flat when compared with more traditional steeply sloped roofs. The issue may have to do with the slope of the roof or with its drainage.

However this does not mean you should allow water to accumulate or puddle on top of your roof. When ponding water on a flat roof starts to develop it is time to start weighing your options for repair before the problem becomes a whole lot worse. Common problems caused by flat roof. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.

The volume of water becomes too much for the pop up to dispense quickly enough. Ponding water on flat roofs reduces the roof s lifespan. So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. Greenslope is a roof leveling compound that helps eliminate water ponding areas and facilitate flat roof drainage.

When ponding water on a flat roof starts to develop it is time to start weighing your options for repair before the problem becomes. Flat roofs by definition are not going to drain as well as slanted roofs. Step sloped insulation step sloped insulation is a more affordable way to slope a flat roof and it involves installing several layers of flat board insulation under the roof membrane instead of cutting a custom made roof board. You pitch the slope of the drain pipe.

The roof system is then installed. The board is installed in steps with the thinnest boards at and around the drains. The slope should be a minimum of 1 in 80 but in practice a minimum slope of 1 to 40 should be used to allow for deflection of the roof and for normal building tolerances. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.

Flat roofs by definition are not going to drain as well as slanted roofs. However puddles 1 or more inches deep that linger for days can indicate a. After any rainfall lands on a flat roof water will begin to pool. The greenslope roof ponding repair kit provides a lightweight inexpensive solution to flat roof ponding.

By their very nature flat roofs do not completely drain after it rains.