Skylight Roof Leak Repair

1 lift up the shingles next to the skylight one at a time and brush out any dirt and debris.

Skylight roof leak repair.

Try making the easier repairs with roofing cement or silicone caulking first before tackling more difficult fixes like replacing the flashing. We install and repair all skylight leaks on flat roofs in pittsburgh monroeville new stanton stamford greenwich and white plains. Rubber gasket or seal that hardens and cracks causes a leak. Use roofing cement can or tube to seal any gaps or holes in the flashing.

Replace or repair the metal flashing around the frame of the skylight. We typically find that leaks from skylights on flat roofs develop because of the degradation of the rubber gasket in between the window and window frame or the flashing around the curb that connects the skylight to the roof system. Use roofing cement can or tube to seal any gaps or holes in the flashing. Apply 100 silicone caulking tube to seal leaks around the skylight lens.

If your skylight is still leaking replace repair the metal flashing around the frame of the skylight. What we do is use modified bitumen adhesives to apply the rubber membrane to the flashing. 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 but a proper repair will require removing shingles near the skylight installing proper head side and foot flashing around the unit as you reinstall new shingles in the area. Skylights are an ongoing problem for roofs.

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. Skylight flashing for a flat roof. Apply 100 silicone caulking tube to seal leaks around the skylight lens.