Flashing Behind Siding

When slipping the flashing under the siding be sure to slide the flashing to the left or right of the ledger by at least 2.

Flashing behind siding. Snap a chalk line cut out the siding and tack up the ledger board. This will ensure water doesn t infiltrate behind the flashing. However in most instances step flashing should be installed behind siding. Slip the siding up and around the door.

Inside corner w flashing. Then slip flashing behind the siding covering the top edge of the ledger. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Fiber cement boards are caulked only when there is no metal flashing behind them.

In certain instances flashing may need to be installed on the exterior of siding. Nail j channel for vinyl or metal siding onto the flashing. Many times builders fail to use proper flashing at the top of windows. Install the first length of z flashing.

Slip flashing under siding. Some manufacturers do not require the metal flashing therefore we caulk the butt joint to keep the pieces together and also prevent moisture. Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing. Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud.

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. Here are four ways to use metal flashing to prolong the life of siding. 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. Slip flashing under siding.

When it comes to flashing siding corners many builders simply use a 1x wood corner. Since newer installation guidelines do not recommend caulking this joint but instead recommend leaving a small gap and flashing behind the ends of the siding i think it is more prudent to add flashings when it is possible to do so.