Metal Chimney Flashing Caulk

Faulty or deteriorated flashings can cause leaks and water damage to the surrounding roof deck or eventually the interior finishes of your home.

Metal chimney flashing caulk.

Getting the right sealant on your flashing is the best bet. Now it s time for chimney flashing sealant. One laying involves tightly playing sheet metal around the chimney edges. Ensure the chimney s base flashing is in proper order secured to the roof as the.

Start at the front of the chimney and mark the third mortar joint up from the roof. Chimneyrx elastomeric flashing sealant is an elastomeric sealant specially formulated to permanently adhere to asphalt shingles aluminum flashing brick and other chimney and roofing materials. The next step is to mark and cut the grooves in the chimney s mortar joints to accept the cap flashing. Most often when a chimney leaks the leak originates in that spot.

It s formulated for permanent adhesion to asphalt shingles metal flashings brick and other chimney and roofing materials. In the second layer more sheet metal is inserted into the chimney mortar joints and folded over to cover the first layer. Effective roof flashing around a chimney includes two layers. Chimney flashing should be installed at the same time the mason is laying the brick and mortar or the roofer will have to cut a ridge out for the counter flashing.

Seal the cap flashing by caulking along the mortar joint with polyurethane caulk.