How To Add Flashing To The Side Of Roof

Roofing cement can dry out and crumble away exposing joints to water.

How to add flashing to the side of roof.

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. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. Once even a small section of roofing cement fails you ll have a leak. Fasten loose nails and cover exposed nail heads with roofing cement.

Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. Open valleys have metal flashing to protect this critical area of the roof. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Begin by removing the shingles at the affected area and removing old flashing if present.

Next place your vent flashing on top of the membrane. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing. But it doesn t work that way.

The metal flashing must overlap the material not the other way around. Then nail the new l shaped flashing under the builder s felt but above the fascia board. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. However the principles are the s.