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.
Metal chimney flashing caulk.
Ensure the chimney s base flashing is in proper order secured to the roof as the.
The next step is to mark and cut the grooves in the chimney s mortar joints to accept the cap flashing.
Effective roof flashing around a chimney includes two layers.
Now it s time for chimney flashing sealant.
It s formulated for permanent adhesion to asphalt shingles metal flashings brick and other chimney and roofing materials.
Chimney flashing is the layer of sheet metal that connects the roof to the chimney it is designed to be the seal that prevents water from entering your home by running down the chimney.
Seal the cap flashing by caulking along the mortar joint with polyurethane caulk.
Most often when a chimney leaks the leak originates in that spot.
Then the roofer will have to seal this indent up after placing the flashing.
In the second layer more sheet metal is inserted into the chimney mortar joints and folded over to cover the first layer.
Getting the right sealant on your flashing is the best bet.
One laying involves tightly playing sheet metal around the chimney edges.
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.