This will cause water to back up on the roof and can lead to leakage that runs into the building.
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This is especially important if tall trees extend over the top of the roof as this can lead to many stains.
Poor drainage can lead to serious issues with flat roofing from leaks to structural damage.
This may include dirt gravel leaves and other foreign materials.
There are three types of drain systems commonly used on flat roofs.
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A major maintenance issue shared between all types of roof drains is debris removal.
Regular cleaning and unblocking of the drains gutters and scuppers is mandatory.
Pipe brush is a long brush which is designed for cleaning out the drain in the roof from top.
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.
Rain gutters are the most common drain system in use for all types of roofs.
Use the brush to remove any light debris that might be stuck to the side.
Cast iron drains on a flat roof are very common.
The one challenge with flat roofing is ensuring proper drainage.
When preparing an existing roof to receive a new roof these drains are time consuming.
However they will need cleaning from time to time as they tend to clog.
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Removing old tar from the and cleaning the metal to attach the new rubber is what takes time.
Using the hose run water through each one to make sure it s draining easily and freely.
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With the roof clear of leaves you can begin cleaning the roof drains.
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Finish by flushing out once more with water and repeat for every drain on the roof.
Keep pushing the brush till the clog and the stagnated water flushes down out of the outlet pipe.
Use a large brush to push away the water and any leaves that have collected on the surface.
Run the pipe brush down the drain after unscrewing the cap.
It is a very simple process.
Each of these systems has its own pros and cons.
A roof drain is often used on flat roofs to connect the roof to the outlet pipe.
Remove any standing water from the top of the flat roof.
Each of these systems can become clogged by debris.