Flashing Aluminum Siding

Union corrugating 14 in x 50 ft aluminum roll flashing.

Flashing aluminum siding.

Install the kickout flashing. Depending on the reveal of your siding the flashing length will be inch less than the reveal. In certain instances flashing may need to be installed on the exterior of siding. Run roofing felt up the wall about an inch higher than the wall side.

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. Dog ears will be cut on both sides approximately inch from the bottom and then folded to create a stop that will locate itself on the top of the underlying row of siding but not be so long that it will run into the nails that hold the siding of the row being flashed. 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. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.

Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing. Item 3807 model 5504900120. Aluminum siding manufacturers we carry. Install roofing felt before starting step flashing.

A better way is using simple extruded aluminum inside corner w flashing that will prevent water intrusion and last as long as fiber cement siding. However in most instances step flashing should be installed behind siding. The manufacturers listed above are not available at all locations. Run the l shaped flashing up under the bottom row of siding so that it tucks under the final bottom row and on top of the wall and on top of the last row of bricks before you cap it with the cap.

For pricing and availability. Therefore the upper piece of wrap or flashing should always overlap any lower pieces.