Skylight Leaks After New Roof

Sealants may just have to be added to stop the leaking.

Skylight leaks after new roof.

Remove debris make sure your roof valleys are clear of debris re shingle valleys valleys may need to be reshingled with new ice and water shield put in place. Use roofing cement can or tube to seal any gaps or holes in the flashing. When the warm moist room air reaches the cold glazing of the skylight it condenses and drips down. Another possibility is that the other parts of your home are actually leaking and you are just mistaking it as a roof leak.

Another good measure we like to do is install a ice water barrier around the light before installing the flashings. 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. Depending on the location of the leak you may need to. Installation issues are usually the culprit for leaking roofs that are relatively new.

In between the frame and the roof this is a roof problem. Use a putty knife to add a layer of roofing cement in the gap between the edge of the flashing and the roofing. These skylight leaks should not be blamed on faulty product design although at some leaky skylights we find a combination of multiple failures. Apply 100 silicone caulking tube to seal leaks around the skylight lens.

A roofing contractor doesn t need to be threatened in order to fix a roof leak any more than you need to sit in a corner until you pay that overdue light bill. Leaks at skylights left unattended can lead to costly structural damage rotted roof sheathing rotted roof framing and wet moldy insulation as well. Now if you have a newer roof and new skylight and it leaks most of the time what we see then is the roofer did not install the flashing properly. Most skylights made these days have flashing kits that need to be installed correctly.

In between the glass and the frame this happens from a worn or weathered seal in the skylight itself. Start by clearing any water or debris that has collected between the roofing and flashing. If you have a roof leak that appears to be at the skylight the first thing to do is rule out condensation as the source. Then lift the roof shingles away from the edges of the skylight so you can access the flashing.

Seal flashing around a leaking skylight. Either the skylight wasn t installed correctly or the flashing and seal around it have become worn. Your best approach to a leak with your new roof is calm confidence rather than melodramatic mayhem.