How To Flash Siding To 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.

How to flash siding to roof. Cut a piece. Posted march 4 2017 filed under roof installation roof repair maintenance. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

Open valleys have metal flashing to protect this critical area of the roof. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Galvanized sheet metal bent at a 90 degree angle i e. Slip in the flashing.

Above the roof sheathing. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. If you already have faulty flashing installed you. Nail it to the sidewall or glue it if nailing isn t possible.

Flexible flashing tape seals the eave to the wall. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. This flashing is typically field fabricated from a sheet of 26 ga.

Lift the bottom shingle and slip in the kickout flashing. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top. I cut the tape so that it laps onto the housewrap above and 3 in.

But it doesn t work that way. Lay a shingle over the step flashing starting at the roof edge. Bent into an l shape. Once even a small section of roofing cement fails you ll have a leak.

Prepare the area where you will install the roof flashing. Cover with cap flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.

Fasten that shingle with two galvanized nails at the.