How To Cut Roof Flashing

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

How to cut roof flashing.

Up to 5 3 4 in. Beyond the dormer and cut the top section along the dormer edge. The aluminum flashing is thin and lends itself to a variety of cutting methods. Step 3 cutting snips.

Notch the first step flashing leaving a 1 in. Start right from the edge of the metal flashing with the snips. Nail along its upper edge. Make sure that the line is cut along with the straight edge.

Lead over flashings as seen above are normally made from code 4 milled lead this is recommend. Chasing out the process of removing the old mortar can be done with a small angle grinder with a diamond raking disc preferably using dust extraction or with a dedicated mortar raking tool. Aluminum flashing protects the fascia board of your home from the elements. This flashing provides protection for pipes cables conduits and wires.

This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in. Cutting slowly with the help of the snips. Flap to bend around the front of the dormer. Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.

Bend the flap down and nail along the top edge. Next place your vent flashing on top of the membrane. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. This is often called raking out or cutting a chase.

Continue this step by cutting out an additional section of the metal flashing as required with the help of the same process. What lead thickness for roof flashings. Open valleys have metal flashing to protect this critical area of the roof. Run the base flashing 4 to 5 in.

Add shingles and additional step. The soft aluminum base conforms to most metal roof panels. Proper roof flashing is critical to extending the life expectancy of a new roof and protecting a home from unwanted water infiltration. If you do not have a manual powered jump shear you can use tin snips or a utility knife to cut the aluminum flashing.