How To Flash Siding To Roof

Above the roof sheathing.

How to flash siding to roof.

Nail it to the sidewall or glue it if nailing isn t possible. Prepare the area where you will install the roof flashing. Fasten that shingle with two galvanized nails at the. Cover with cap flashing.

Lay a shingle over the step flashing starting at the roof edge. Measure the length of the porch roof joint to determine how much flashing you will need. Bent into an l shape. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.

Lift the bottom shingle and slip in the kickout flashing. If you already have faulty flashing installed you. Cut a piece. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.

But it doesn t work that way. Once even a small section of roofing cement fails you ll have a leak. Open valleys have metal flashing to protect this critical area of the roof. How to install step flashing under siding 1.

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. This flashing is typically field fabricated from a sheet of 26 ga. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Galvanized sheet metal bent at a 90 degree angle i e.

Posted march 4 2017 filed under roof installation roof repair maintenance. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. Flexible flashing tape seals the eave to the wall.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. How to install porch roof flashing step 1. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

Slip in the flashing.