Dormer Siding Flashing

Any missing or corroded flashing or flashing that has slid down the roof beneath the.

Dormer siding flashing.

Underlayment and peel and stick should go higher than the step flashing for. In this case an uninsulated dormer made it easy for moisture to seep inside. Just as the source of a water leak can be difficult to detect the solution to solve it is usually multi faceted. The residential dormer flashing is installed under your siding and on top of your roof at the bottom of a dormer or end wall.

Roof flashing is critical to keeping a house dry but people often get it wrong. Use a flashlight to ensure the flashing extends down both sides of the dormer across the back and the front. Things needed rigid foam board insulation 3 8 inch head galvanized shingle nails hammer utility knife polyethylene house wrap construction stapler house wrap tape metal flashing tin snips tape measure corner molding 8d galvanized nails primer paint or wood sealer wood siding miter saw or circular. In this article veteran remodeler mike guertin shows how to flash a dormer with bombproof details.

Cover the connections with peel and stick membrane and then fold the synthetic underlayment up the wall also. Lay a bead of roofing cement along the shingles just below the dormer and bed the metal base flashing into it. Here s an example of proper installation of dormer trim siding and flashing installed by crown builders siding and windows inc. Ideally this custom flashing will have soldered corners but if not carefully notch the metal at the dormer corners and wrap the vertical leg around the corner onto the side wall.

Add a hole and improper flashing from a recent roof installation to the mix and the water had an open invitation to run into the house. Angle flashing provides a layer of protection between the wall s siding or brick and the roof s sheeting preventing the water from flowing back into the wall where it can cause mold or wood rot. It is manufactured from premium steel coil. To read pdf files you need the adobe acrobat reader 6 0 or higher.

This article describes mistakes at roof dormer sidewall flashing and roof dormer sidewall coverings that invite leaks rot and insect damage on buildings.