How To Install Roof Flashing Against Siding

How to install porch roof flashing step 1.

How to install roof flashing against siding.

Place a kick out flashing at the base of the roof and flush against the wall. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Lay a shingle over the step flashing starting at the roof edge. Remove the flashing and apply some roofing cement to fix the flashing into place.

I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. Improper installation of flashing where roofing shingles meet vinyl siding. How to install roof flashing against a wall. Galvanized sheet metal bent at a 90 degree angle i e.

Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it. Bent into an l shape. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Prepare the area where you will install the roof flashing.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Fasten that shingle with two galvanized nails at the top then cover the top of it with another piece of step flashing nailed to the. Lift the bottom shingle and slip in the kickout flashing. If you already have faulty flashing installed you.

I cut the tape so that it laps onto the housewrap above and 3 in. Measure the length of the porch roof joint to determine how much flashing you will need. Improper installation of flashing where roofing shingles meet vinyl siding. This flashing is typically field fabricated from a sheet of 26 ga.

Ensure that the step flashing will lead the water directly into the kick out flashing. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Slip in the flashing. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.

Step flashing step flashing redirects the water back onto the shingle. Cover with cap flashing. Place the first piece of step flashing over the end of the tarter strip. 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.

The remaining siding on the sidewall will overlap the step flashing and nail.