Locating a flat roof leak.
Roof leak products.
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Armor shingle roof coating provides a unique breathable shingle roof coating that allows moisture vapor to pass through the coat while remaining impervious to water penetration.
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This is an important feature many other products that are elastomerics will trap moisture that can damage your roof boards and beams.
The secret is penetrex a unique penetrating oil that reaches deep into the crack and forms a complete seal.
While finding a leak in a flat roof is easier than on a steep sloped shingled roof leaks can still be deceiving.
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Some roof leaks are tough to locate.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
Look in the attic with a flashlight for evidence like water stains trhen trace them up the roof and rafters to the entry point.
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To find the source of a roof leak.
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Sometimes the water shows up at a ceiling spot distant from the leak.
If the leak isn t obvious have a helper watch in the attic while you get on the roof with a garden hose.
Where water enters your interior space might not be exactly where the leak is because any water that penetrates a roofing membrane can travel for some distance until it finds a seam in the sub roof or sheathing and seeps inside.
