How To Seal Skylights In Metal Roof

See how easy it is to repair a leaky skylight.

How to seal skylights in metal roof.

Repairing a skylight with metal frame. With a scraper slowly remove the weather stripping around the skylight cover and the curb. Then lift it off and keep it to one side. Use roofing cement can or tube to seal any gaps or holes in the flashing.

Without removing the metal frame and replacing the seal we can make a transition that will never crack again. A skylight in a metal roof must be curb mounted in order to be properly flashed. If not you ll have to buy new flashing 50 to 100 either from the skylight manufacturer or from a roofing company that has a metal fabrication shop look under roofing. It cannot be flush mounted.

Most residential skylights sit on a raised curb made watertight with metal flashing. This has been the flat roof doctor secret for many years. Skylights and metal roofs are an excellent combination metal is a sustainable material so it s already got a lot in common with skylights. This can lead to condensation and mold in the attic and also can cause ice dams on the roof.

It s possible for an experienced installer to retrofit flashing and install a typical skylight on. The seal between the glass and metal frame is what deteriorates and then cause the skylight to leak. Take a moment to seal any cracks you find on the cover with the clear silicon caulk. Apply 100 silicone caulking tube to seal leaks around the skylight lens.

Unscrew the fasteners holding the cover of the skylight window on with an appropriately sized driver. Skylights with chases through your attic can create air leaks from the living space into the attic. This clip shows how you can easily install a polycarbonate. Watch this video on how to seal between the glass and metal frame of an old style skylight.

Replace or repair the metal flashing around the frame of the skylight. Skylights for corrugated metal roofs are different from those for shingle or tile roofs.