The 3 most common drain systems of a flat roof.
How to drain a 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.
Leaving your flat roof without a drainage system will greatly increase the risk of these issues.
Take the roof s total square footage and divide by the total square footage handled by one drain.
One of the most overlooked items on a flat roof is the draining system.
If a flat roof drain is too small it can easily become blocked or simply not be in the right area for accurate draining of pooling water.
Ensure your drains are the lowest points on your flat roof and you can avoid water infiltration and subsequent flat roof repair.
This system works by recessing insulation in installed drains to allow for faster water drainage.
Calculate drains needed.
Challenges the drains must allow a large volume of water equal to the square footage of your roof times the number of inches of rain to drain quickly.
The above sizing data is offered as a guide only.
To keep damage like leaks from occurring water should not stand on a flat roof for more than 48 hours.
The result is the number of drains needed.
A rooftop garden or additional outside living space are the top reasons people choose flat roofs.
More attention should be given to the location of a drainage system to avoid future problems.
They are ideal for climates that don t experience large quantities of rain and moisture.
Ponding water on flat roofs reduces the roof s lifespan.
Fitting the roof with one of the following systems to ensure proper drainage will help keep it protected.
Interior drains work just like the drain in your shower or sink.
The angle is not significant enough to prevent water from pooling on the surface.
The greenslope roof ponding repair kit provides a lightweight inexpensive solution to flat roof ponding.
For flat roof drainage where you place your drains scuppers and the final material of the roofing is more important.
Flat roof drains scuppers gutters and drainage systems on flat roofs.
A flat roof drain is one of the most important features of a flat roof design and they need to be taken care of.
Flat roofs have unique architectural characteristics that make them desirable in many situations.
Inner drains gutters or scuppers each have their own function and deciding which system is best depends on.