How To Install Z Flashing In Roof

Install the first length of z flashing.

How to install z flashing in roof. Once even a small section of roofing cement fails you ll have a leak. Reposition the flashing to the board and tack it into place with a nail. 8 push the upper panel back in place and re nail it using. Pull the z bar metal flashing off of the board and apply a bead of roofing cement around the perimeter of the flashing.

Cut z flashing with tin snips at the edges of the structure and overlap the flashing 6 inches if you have to install more than one piece. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. But it doesn t work that way. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.

Next place your vent flashing on top of the membrane. Complete the installation of the first horizontal row of t1 11 siding following standard construction practices. Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.