Flashing Base Behind Siding
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.
Flashing base behind siding. Install the flashing before you finish the top of the brick wall as the flashing must go behind the siding as well as behind and under the top row of bricks that angle outward to cover the top. 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. 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. Start by making an outline on the siding where you want to position the ledger board.
Nail it to the sidewall or glue it if nailing isn t possible. Slip in the flashing. When it comes to flashing siding corners many builders simply use a 1x wood corner. Cover with cap flashing.
Snap a chalk line cut out the siding and tack up the ledger board. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. Otherwise dripping water will leave its mark along the siding. The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. 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. It s a mistake to flash over that bottom course of siding as moisture behind the flashing will still invite rot insects mold and. Then slip flashing behind the siding covering the top edge of the ledger.
Lift the bottom shingle and slip in the kickout flashing. Install the water resistant barrier to overlap the top edge of the weep screed. 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. Install the lathe and stucco to the first bend in the weep screed.
But unlike fiber cement siding wood is almost sure to rot. And when those corners start to decay they become.