Flashing Base Behind Siding

When it comes to flashing siding corners many builders simply use a 1x wood corner.

Flashing base behind siding.

Install the lathe and stucco to the first bend in the weep screed. 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. Install the water resistant barrier to overlap the top edge of the weep screed. But unlike fiber cement siding wood is almost sure to rot.

And when those corners start to decay they become. On a wall to be covered with wood cement board vinyl or metal. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide. 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.

Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. It s a mistake to flash over that bottom course of siding as moisture behind the flashing will still invite rot insects mold and. Cover with cap flashing. Slip in the flashing.

Then slip flashing behind the siding covering the top edge of the ledger. Start by making an outline on the siding where you want to position the ledger board. Stucco cladding install self adhesive flashing behind the weep screed a perforated metal strip at the base of the exterior walls at the height above grade specified by the local building code. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems.

In areas where snow may build up add a wide band of peel and stick membrane over the step flashing but under the sheathing wrap as shown. Nail it to the sidewall or glue it if nailing isn t possible. The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding. Otherwise dripping water will leave its mark along the siding.

If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top. Lift the bottom shingle and slip in the kickout flashing.