Flashing On Siding

On a wall to be covered with wood cement board vinyl or metal siding the step flashing and associated roofing must be installed first so the siding can cover the top of the step flashing on.

Flashing on siding.

This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted. It is used to protect the horizontal joints between sheets of siding from water infiltration. The large leg of the metal goes against the wall leaving the seat and face covering the top edge of the siding. Continue installing the z flashing at the top edge of the siding panels across the full length of wall.

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. In certain instances flashing may need to be installed on the exterior of siding. This tends to be easiest with lap or panel siding cladding types that can be removed and re installed by unscrewing fasteners and most difficult with brick and stucco claddings that require materials to be chipped out and replaced.

But unlike fiber cement siding wood is almost sure to rot. 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. Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas. Galvanized steel z flashing is made from 28 gauge galvanized galvanized steel z flashing is made from 28 gauge galvanized steel.

Retrofitting to add base flashing involves removing a portion of the cladding at the bottom of exterior walls. Add felt if needed before nailing the new wood on and prime the new wood on all. However in most instances step flashing should be installed behind siding. Therefore the upper piece of wrap or flashing should always overlap any lower pieces.

And when those corners. Position the flashing lengths as defined in step 2 overlapping the ends a minimum of 2 inches onto the previous flashing piece and securing the flashing with 8d nails at each wall stud. Inside corner w flashing. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.