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.
Roof leak below skylight.
However proper repairs will require removing shingles near the skylight installing appropriate flashing and reinstalling new shingles in the area.
No matter how well your skylights were installed it is still possible for them to leak during heavy rains.
Skylight leaks in heavy rain are a common source for roof leaks.
Especially as your home ages a bit.
There are several possibilities as to why your skylight is leaking.
In many cases the flashing is the cause of leaks around skylights.
A leak that is at the peak of your roof may trickle down and soak the drywall next to your skylight.
That s another good reason to call a roofer.
Although sometimes the source of the skylight leak is not the skylight itself.
Roofs leaks sometimes move through the layers of the roof and end up far from where the real problem is.
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.
The leak might not be a leak at all but the result of condensation forming on the inside of the glass during cold weather.
Pooling water can eventually penetrate through the roof s rubber membrane and metal flashing of a skylight resulting in a leak.
Changing the flashing is a lot cheaper than purchasing a brand new skylight.
During installation each skylight essentially creates a big hole in an otherwise uniform roof surface.
1 lift up the shingles next to the skylight one at a time and brush out any dirt and debris.
To fix a leaking skylight.
Leaks at skylights left unattended can lead to costly structural damage rotted roof sheathing rotted roof framing and wet moldy insulation as well.
Whether you ve got a flat roof a pitched roof or a contemporary style roof wear and tear will still happen.
Then press down on the roofing shingles to seal them tight.
The best solution in this case is to slope or build the roof up so water will not pool.
