Fasten that shingle with two galvanized nails at the.
Siding to roof flashing.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
Lay a shingle over the step flashing starting at the roof edge.
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.
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.
Some roofing components such as the flashing are easier to install without the siding.
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Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
The vertical flange of the flashing is to extend up behind the adjoining siding.
How to install step flashing under siding 1.
I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.
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.
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.
At flashing by design we specialize in quality custom flashing for all types of fiber cement siding including color matched custom flashing for james hardie colorplus products lp smartside products and tamlyn xtreme products.
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.
Otherwise the siding installer will need to be extra cautious with the new roof.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Cut a piece.
Slip in the flashing.
If siding on the house wall abuts the porch roof joint the lowest strip should be removed to install the flashing underneath.
In this sense it seems more practical to install the siding first.
Step flashings are to be installed one per course.
