If your home has water stains that run down the interior walls or span across the ceiling, you probably have a leak in the roof which must be repaired and waterproofed in order to prevent further damage. While finding the leaks can be difficult, repairing them is usually simple. More importantly, a small leak in the roof can cause major damage to your home. It is important to identify and repair leaks as soon as possible in order to minimize the damage and prevent roof sheathing, rafter rot and mold growth.
Sometimes you will be able to see the running water, in which case the task of identifying the leak is quite easy. More often than not, finding the source of a roof leak and waterproofing it will require a bit of investigation on the part of the homeowner. If your home has an attic, you can easily track a leak using a flashlight to look for water stains, mold and black marks in he attic. If you have vaulted ceilings, or your home does not have an attic, it will be necessary to inspect the roof for damage.
Identifying a weak spot on your roof that needs to be waterproofed is a two person job. One person has to go on the roof with a garden hose while the second person stays inside the house. With the hose, soak the area of the roof where the leak appears to be, beginning at the bottom and slowly working your way up. It’s important to move slowly with the hose. Throughly soak each section of the roof and work your way up. When you inundate a section of the roof with water and the water drips into the house, you have identified the leak.
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