How To Add Flashing To The Side Of Roof

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

How to add flashing to the side of roof.

Fasten loose nails and cover exposed nail heads with roofing cement. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.

Open valleys have metal flashing to protect this critical area of the roof. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Roofing cement can dry out and crumble away exposing joints to water. Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.

Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. Once even a small section of roofing cement fails you ll have a leak. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. Begin by removing the shingles at the affected area and removing old flashing if present.

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. However the principles are the s. Recaulk the joints between the roof and the flashing.