Siding To Roof Flashing

Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.

Siding to roof flashing.

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. Nail it to the sidewall or glue it if nailing isn t possible. 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. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.

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. 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. The vertical flange of the flashing is to extend up behind the adjoining siding.

Lift the bottom shingle and slip in the kickout flashing. Lay a shingle over the step flashing starting at the roof edge. In this sense it seems more practical to install the siding first. Slip in the flashing.

Otherwise the siding installer will need to be extra cautious with the new roof. 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. Step flashings are to be installed one per course. 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.

On the other hand you ll find some siding parts need to be nailed down under the roof shingles. Cover with cap flashing. Cut a piece. How to install step flashing under siding 1.

Some roofing components such as the flashing are easier to install without the siding. Whether you re a distributor a lumberyard looking to sell excellent products or an engineer or architect looking for a custom solution flashing by design fbd can help. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.