Flashing On Siding

Attach the flashing tape above the window and then slip the drip cap into the siding and attach to the tape.

Flashing on siding. Use an old rag to remove any dirt or debris that may be there. Using a pry bar you will need to remove a layer of siding from above the window you want to install the drip cap on. In certain instances flashing may need to be installed on the exterior of siding. But unlike fiber cement siding wood is almost sure to rot.

Cut the drip cap to the correct size for your window. Therefore the upper piece of wrap or flashing should always overlap any lower pieces. Use a felt paper spline wrapped around the corner and extending 6 inches beyond the corner board to protect the joints where the siding meets the corner boards see figure 1 5 at left. When it comes to flashing siding corners many builders simply use a 1x wood corner.

On a wall to be covered with wood cement board vinyl or metal. Flashing helps prevent any moisture which can collect due to condensation or small gaps in the siding that flows downward from infiltrating behind the house wrap where it can do damage. Building siding flashing finish details for building corners use overlapping 1x4s or 1x6s at outside corners or use 5 4 stock for a heavier look. However in most instances step flashing should be installed behind siding.

Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. And when those corners start to decay they become.