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Proper Roof Drainage Can Extend the Life of a Roof

There are three factors that affect proper roof drainage: the slope of the roof, the size of the drains and the placement of the drains (more often referred to as gutters on residential buildings). In addition, it is a good idea to take into account the amount of rainfall landing on the roof, the duration of rain events and the speed the rain collects at the drainage points.

Gutters and drains channel water away from the exterior walls and foundation of your building or home. However, proper gutter maintenance, installation and materials are critical to prevent roof damage. A blocked gutter or roof drain causes water to back up under the roof membrane or pool in places that could take days to dry out. Standing water is never a good thing on any roof surface.

Here are some things to consider when thinking about drainage for your roof:

If you suspect your gutters are not functioning properly, the best idea is to call in a professional roofer. They will know not only the drainage rate and building codes for your area, but will also be able to install and maintain your drainage system as well.



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