Roof To Sidewall Flashing

Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.

Roof to sidewall flashing.

Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. Flashing against a vertical sidewall shall be by the step flashing method. The universal sidewall trim combined with sealant provides a watertight seal for your roof system. Flashing joints are lapped 6 in the direction of water flow.

Apply drip edge and roof underlayment over the roof deck and continue lapping up the sidewall and over the water resistive barrier in this case rigid foam insulation a minimum of 7 inches figure 2. We re going to install this step flashing here against the sidewall and the first thing we re going to do is let it run. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. You can see that i m letting it run past the end of the roof and past the ridge line.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. The flashing extends up the wall at least 4. Universal sidewall trim is designed to flash from your metal roof panels to a vertical wall such as a chimney. The wall side of the flashing can either be covered over with siding or sealed with caulk.

Butyl tape should be applied where the foot of the flashing attaches to the roof. Striations and bends on the flashing provide strength and match the lines of your other edge trims. The universal sidewall trim combined with sealant provides a watertight seal for your roof system. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter. Reinstall new wood shingles keeping the bottom of the shingle 1 2 above the roof surface below. How to install sidewall flashing and kick out diverters on homes with rigid foam insulation sheathing. Epdm flashing tape with a butyl adhesive backing will help.

It s kind of like a step so water hits it comes off and moves off the roof. Once even a small section of roofing cement fails you ll have a leak. But it doesn t work that way. Another term for this is a step flashing.

The metal flashing is formed with a hook edge and cleated on 12 centers. Universal sidewall trim is designed to flash from your metal roof panels to a vertical wall such as a chimney. Sidewall flashing sidewall flashing is applied when the side of the roof butts up against an adjacent wall. Here s how to install it correctly.