How To Install Roof Flashing Against Wood Siding

Lift the bottom shingle and slip in the kickout flashing.

How to install roof flashing against wood siding. Lay a shingle over the step flashing starting at the roof edge. The only way is to cut a groove in the siding and flash the roof wall intersection. The exterior of a house presents plenty of opportunity for leaks. Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud.

A key part of my approach is using a special piece of flashing at this. Cover with cap flashing. Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing. Roof and deck flashing recommendations for coastal areas always lap flashing and other moisture barriers properly.

All end grain in the siding should be sealed after cutting with a water repellent preservative wrp or primer. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Use increased lap lengths for added protection. Water penetration at deck ledgers can cause wood dry rot and corrosion of connectors leading to deck collapse.

Do not rely on sealant as a substitute for proper lapping. Or pull the nails out of the closest layer of siding and slip the flashing up under it and hopefully under the moisture barrier. Fasten that shingle with two galvanized nails at the. Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.

Imo and that is all it is. How to install step flashing under siding 1. Bent into an l shape. A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.

With no caulk the joint is free to dry out when wet. Use a square length of 5 4 stock at inside corners with a spline underneath. Install the first length of z flashing. Posted march 4 2017 filed under roof installation roof repair maintenance.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. This flashing is typically field fabricated from a sheet of 26 ga. Slip in the flashing. 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.

With the spline there is no need to caulk the joint. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Galvanized sheet metal bent at a 90 degree angle i e.