The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view.
Siding to roof flashing.
I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
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Fasten that shingle with two galvanized nails at the.
Nail it to the sidewall or glue it if nailing isn t possible.
Lift the bottom shingle and slip in the kickout flashing.
Cover with cap flashing.
Videos roofing wrb flashing siding exterior trim plumbing electrical galvanic corrosion explained contact between dissimilar metals like copper fittings threaded into steel pipe or copper flashing fastened with steel nails sets up an electro chemical reaction that causes corrosion and leads.
Step flashings are to be installed one per course.
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.
In this sense it seems more practical to install the siding first.
Slip in the flashing.
Step 2 measure the length of the porch roof joint to determine how much flashing you will need.
Flashing is installed to surround roof features such as vents chimneys and skylights.
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Cut a piece.
How to install step flashing under siding 1.
The vertical flange of the flashing is to extend up behind the adjoining siding.
Otherwise the siding installer will need to be extra cautious with the new roof.
Lay a shingle over the step flashing starting at the roof edge.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes.
Some roofing components such as the flashing are easier to install without the siding.