How To Flash A Roof Addition

Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.

How to flash a roof addition.

When working with step flashing this may involve removing undamaged pieces of flashing as well. Lay the cut flashing down at the corner. This build is a porch addition on an existing metal building home. Bent into an l shape.

Install the underlayment as directed by the manufacturer then set the valley flashing on top of it. Then flash from the porch deck roof up behind the fascia trim and up under the roof shingles above. Cut an angle with tin snips on one side of the flashing piece from an end. We will be depending.

Roofing cement can dry out and crumble away exposing joints to water. For the valley areas of the roof you will be using valley flashing. It turned out really beautiful but the flashing isn t done correctly. Especially if you live in an area that gets a lot of snow and ice.

Tom silva starts off his roofing lesson with the apprentices by stressing the. Be sure to follow the. However it s important to check for damage anyway. Recaulk the joints between the roof and the flashing.

The causeway connecting the house to the new garage in law suite needs a roof. Fasten loose nails and cover exposed nail heads with roofing cement. If you find damage then you will have to get it. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

Flash the corner first if applicable. Put on a pair of leather palm gloves to avoid injuries from the sharp edges of the metal flashing. The biggest concern is ice standing because ice and snow can form over an unheated porch and snow can then leak down and hit the block of ice. Galvanized sheet metal bent at a 90 degree angle i e.

This flashing is typically field fabricated from a sheet of 26 ga. How to flash a porch addition 1.