Installing Flashing On Porch Roof

Put on a pair of leather palm gloves to avoid injuries from the sharp edges of the metal flashing.

Installing flashing on porch roof.

Cut an angle with tin snips on one side of the flashing piece from an end. Measure the length of the porch roof joint to determine how much flashing you will need. Flash the corner first if applicable. How to install porch roof flashing step 1.

Prepare the area where you will install the roof flashing. Install the flashing place the flashing between the joint of the house and the roof. Especially if you live in an area that gets a lot of snow and ice. Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.

Nail the flashing securely in place using roofing nails. The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles. If you already have faulty flashing installed you. Before you apply the flashing you ll need to lay down a waterproof membrane.