Posted march 4 2017 filed under roof installation roof repair maintenance.
How to install roof flashing against wood siding.
With no caulk the joint is free to dry out when wet.
Nail it to the sidewall or glue it if nailing isn t possible.
Galvanized sheet metal bent at a 90 degree angle i e.
Cut a piece.
Fasten that shingle with two galvanized nails at the.
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.
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.
With the spline there is no need to caulk the joint.
Slip in the flashing.
Do not rely on sealant as a substitute for proper lapping.
Use a square length of 5 4 stock at inside corners with a spline underneath.
This flashing is typically field fabricated from a sheet of 26 ga.
Lay a shingle over the step flashing starting at the roof edge.
Install the first length of z flashing.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
A key part of my approach is using a special piece of flashing at this.
How to install step flashing under siding 1.
Cover with cap flashing.
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.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Imo and that is all it is.
Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap.
The only way is to cut a groove in the siding and flash the roof wall intersection.
Roof and deck flashing recommendations for coastal areas always lap flashing and other moisture barriers properly.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
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.
Lift the bottom shingle and slip in the kickout flashing.
All end grain in the siding should be sealed after cutting with a water repellent preservative wrp or primer.
The exterior of a house presents plenty of opportunity for leaks.
Bent into an l shape.
