Not only are they unsightly ceiling bulges can also pose a hazard particularly if the bulging material has forced the fasteners to loosen from the joists.
Flat roof house leaks cracks in ceiling.
Improper installation of the ceiling materials or water leaks.
How to fix cracks in a flat roof.
Homes naturally settle as they age which can create crevices in the walls and ceilings typically above doors.
Most flat roofs are covered with layers of roofing paper that are installed with hot asphalt.
Another cause of leaks is faulty air.
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A possible cause of a ceiling leak in a two story house is an upper floor bathroom.
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Over time the combined effects of weather and water can cause.
Common sources of ceiling leaks include faulty pipes or cracks in your roof.
This article describes the location of the leak source on a flat or low slope roof and the repair of a leaky flat roof by application of a roofing sealant.
Taking care of the leak quickly will reduce the cost of your repairs and could prevent future damage.
How to install an impermeable roof.
Sometimes the water shows up at a ceiling spot distant from the leak.
Screw type fittings especially in drain traps are more likely to leak than are glue type fittings.
Cracks that develop quickly may be warning you about a leak in an upstairs plumbing fixture or in the roof.
Diagnosing the source of leaks on a flat or low slope roof.
Bulges in ceilings are typically caused by either of two things.
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.
If the leak is intermittent or slow the drywall around the crack may discolor because wet drywall is a favorite breeding ground for mold.
Ceiling cracks accompanied by wall cracks could be the result of the house settling.
The drywall itself may also be spongy and it may sag.