Roof Leak Below Skylight

Whether you ve got a flat roof a pitched roof or a contemporary style roof wear and tear will still happen.

Roof leak below skylight.

There are several possibilities as to why your skylight is leaking. During installation each skylight essentially creates a big hole in an otherwise uniform roof surface. Leaks at skylights left unattended can lead to costly structural damage rotted roof sheathing rotted roof framing and wet moldy insulation as well. A leak that is at the peak of your roof may trickle down and soak the drywall next to your skylight.

Then press down on the roofing shingles to seal them tight. Pooling water can eventually penetrate through the roof s rubber membrane and metal flashing of a skylight resulting in a leak. To fix a leaking skylight. Skylight leaks in heavy rain are a common source for roof leaks.

On a shingle roof the flashing will get clogged with debris and in turn the water will get diverted under the shingles where it could start leaking. Changing the flashing is a lot cheaper than purchasing a brand new skylight. Although sometimes the source of the skylight leak is not the skylight itself. That s another good reason to call a roofer.

The best solution in this case is to slope or build the roof up so water will not pool. 2 using a caulking gun loaded with a tube of roofing cement force the mastic up under the shingle where the metal flashing meets the roofing felt the thick black paper under the roofing material. These skylight leaks should not be blamed on faulty product design although at some leaky skylights we find a combination of multiple failures. Roofs leaks sometimes move through the layers of the roof and end up far from where the real problem is.

The leak might not be a leak at all but the result of condensation forming on the inside of the glass during cold weather. If the skylight leak is at the roof flashing it may be possible to make temporary repairs using roof flashing cement around the perimeter of the unit. It could also be caused by an unrelated roof leak above the skylight that is finding its way out through the ceiling opening around the skylight. No matter how well your skylights were installed it is still possible for them to leak during heavy rains.

1 lift up the shingles next to the skylight one at a time and brush out any dirt and debris. Especially as your home ages a bit.