Cedar Shingle Siding Flashing

The natural oils in cedar make it resistant to mold and its open cell structure makes it flexible and resistant to cracking.

Cedar shingle siding flashing.

New cedar shingle siding is going over the old as part of a lead abatement program but the contractor is using techniques that make the homeowner nervous. Step flashings on a cedar shake roof are typically installed every 10 inches. Then i sealed the top flange to the sheathing with 12 inch flashing tape layering it shingle style with the new and existing housewrap. Cedar shingle siding must never rest on the horizontal surface of flashing.

Unlike other woods cedar has inherent natural preservatives that make it resistant to water insects and mold making it ideal for roofing and siding. If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this. New and re roofs cedar shakes and shingles asphalt shingles synthetic slate shingles e p d m duradek and modified bitumen flat roofing custom copper panel roofs and flashing metal roofs cedar shingle siding copper and aluminum. Flashing intercepts and directs the flow of water away from the building to designed drainage paths.

It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Trim and siding. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof. If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing photo 2.

Otherwise it is possible for water to wick up the shingles and into the wall. The cell structure also creates a cushion of air inside each shingle that helps to insulate your house. Flashing is an important line of defense in controlling moisture in wall assemblies. Learn how to properly install cedar shingle siding on an old house.

Is the contractor wrong to use this method. Cedar shingle siding can give a home old world charm but that isn t the only reason to install it. Before installing siding make sure that flashings are installed to prevent moisture from entering wall and roof spaces. Shingles should be a minimum of 1 above roof.

Therefore shingles should be a minimum 1 4 above the horizontal surface of the flashing. Before casing the window i installed a metal drip cap over the top of the window sealing the cap s top leg to the house with flashing tape.