Flashing Shed Roof Against Wall
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.
Flashing shed roof against wall. Step 2 measure 3 out from the wall where the smartvent will bend up on the wall. Shed roof ventilation instructions step 1. The flashing only going part way into the wall will merely stop excess water running down the outside of the wall and between the wall and roof. To do the job properly the flashing should go right through the block wall and thereby keep the lower wall dry.
Strike a chalk line at the 3. Once even a small section of roofing cement fails you ll have a leak. These kinds of houses often have a roof that butts against a wall. Kickout flashing keeps water out of walls rain should run off the roof and into the gutter.
At the bottom of the roof water needs to be directed. Shingle up to the area that requires the smartvent roof to wall vent application. Secure the kickout piece to the cement with nails or screws. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Laying the kickout flashing use your roofing cement to add a layer to the wall against the roof s base. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. The flashing extends up the wall at least 4. But it doesn t work that way.
Flashing joints are lapped 6 in the direction of water flow. Metal roof flashing can be use to seal gaps between roof walls. Flashing is installed to surround roof features such as vents chimneys and skylights. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall. Ensure there is proper. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. After you have placed the kickout flashing you will continue with step flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. The metal flashing is formed with a hook edge and cleated on 12 centers.