Siding Roof Flashing Details

Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain.

Siding roof flashing details.

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. Click to enlarge any image otherwise water will wick up into the flashing leading to paint failures and decay see figure 1 6 above left. Galvanized sheet metal bent at a 90 degree angle i e. Bent into an l shape.

Click to enlarge make sure the sheathing wrap overlaps all step flashings. Building roof dormer side wall flashing materials choices installation details specifications. Siding details at roof wall joint step flashings to avoid rot. Refer to the details.

Stop wood sidings at least 1 inch short of the bottom leg at step flashings and other roof flashings. This flashing is typically field fabricated from a sheet of 26 ga. Since most ordinary homeowners do not have all the necessary know how or significant knowledge of basic roofing principles along with experience of working on an actual roof all day in the sun with the sweat pouring down the face as you work on flashing all the dormers chimneys and roof vents or shingling away for hours on end and doing it right taking on the installation of a metal roof. This article describes mistakes at roof dormer sidewall flashing and roof dormer sidewall coverings that invite leaks rot and insect damage on buildings.

Ct 22 roof transition flashing. Copper is one of the best metal materials to use for exterior flashing because it is durable and malleable. Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.

Details roofing siding exterior trim wrb flashing. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. Roofing cad details. Flashing for roofs chimneys windows decks siding and exterior trim residential and commercial flashing installation services copper flashing is one of the most durable of roof flashing materials.

Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Posted march 4 2017 filed under roof installation roof repair maintenance.