How To Counter Flash A Roof

Either cut into the brick or nailed against it and sealed along the top and top front half.

How to counter flash a roof. First use a stiff wire brush and solvent to clean the surface of any dirt debris or corrosion keep solvent away from asphalt shingles. Counter flashing is necessary to prevent water that runs down the outside face of flashing from going behind the base flashing. Use the grinder to cut a 1 inch deep slot into the mortar joint to install the flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

There are two good ways to handle corner flashing. If you find damage then you will have to get it. How to repair roof flashing step one. But it doesn t work that way.

When working with step flashing this may involve removing undamaged pieces of flashing as well. However it s important to check for damage anyway. Beyond the dormer and cut the top section along the dormer edge. Be sure to follow the.

Once even a small section of roofing cement fails you ll have a leak. Step 1 cut the mortar joint to effectively install the counter flashing you ll have to remove the mortar joint along the step flashing and create what is called a reglet. Brick or counter flashing installed multiple ways. Run the base flashing 4 to 5 in.

With either installation practice it prevents water from penetrating the flashing and seeping in behind your step flashing. Bend the flap down and nail along the top edge. Cut a slot of about 1 5 inches into the brick with a circular saw and masonry blade. The first bending two pieces and caulking the joint photos 1 3 is the most common because you can do it on the spot with the flashing at hand.

You may want to paint the flashing to match the roof.