How to install step flashing under siding 1.
How to install roof flashing against wood siding.
This flashing is typically field fabricated from a sheet of 26 ga.
The only way is to cut a groove in the siding and flash the roof wall intersection.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Roof and deck flashing recommendations for coastal areas always lap flashing and other moisture barriers properly.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Or pull the nails out of the closest layer of siding and slip the flashing up under it and hopefully under the moisture barrier.
Slip in the flashing.
A key part of my approach is using a special piece of flashing at this.
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.
Cover with cap flashing.
Do not rely on sealant as a substitute for proper lapping.
With no caulk the joint is free to dry out when wet.
Fasten that shingle with two galvanized nails at the.
Install the first length of z flashing.
Use a square length of 5 4 stock at inside corners with a spline underneath.
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.
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.
Use increased lap lengths for added protection.
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.
Posted march 4 2017 filed under roof installation roof repair maintenance.
Lift the bottom shingle and slip in the kickout flashing.
Nail it to the sidewall or glue it if nailing isn t possible.
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.
Water penetration at deck ledgers can cause wood dry rot and corrosion of connectors leading to deck collapse.
Lay a shingle over the step flashing starting at the roof edge.
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.
Bent into an l shape.
Imo and that is all it is.
Cut a piece.
Galvanized sheet metal bent at a 90 degree angle i e.
