Install Window Flashing Siding

Lap the flashing tape 2.

Install window flashing siding.

Cut the drip cap to the correct size for your window. The flashing will be wrapped over the rough opening of the window which is what will be covered eventually by siding. Then cut the center section to fit. Install the sill pan flashing.

A when installing sill pan flashing or the flashing at the bottom of the window you. Install the flashing under the window level and tack the new window in place then cut a piece of aluminum flashing to width so it extends from the new window to overlap the nailing hem of the siding below. Use an old rag to remove any dirt or debris that may be there. This should be installed in a bed of caulking on the window frame before the wrb taped to the sheathing and then lapped by the wrb.

Instruction on how to install exterior 2x4 trim around a new or old window. Apply a bead of caulk to the felt and set the window in the caulk. The flashing is easy to cut with tin snips. Cut back wrb weather resistive barrier a your wrb should be wrapped over the rough opening of the window.

Using a pry bar you will need to remove a layer of siding from above the window you want to install the drip cap on. Install the trim just under the drip cap. With the sill pan. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.

How is window flashing installed. Start by nailing the corners in place under the house wrap at the sides and over the house wrap below photo 4. Slide the top edge under the window fin then nail off the fin with roofing nails. Window and door flashing guide this collection of articles and videos will help you find the materials and construction details you need for a leak free installation of doors windows siding and more.

Attach the flashing tape above the window and then slip the drip cap into the siding and attach to the tape. Run the tape over the jamb. Next comes another layer of building wrap installed like the first layer. Building paper and window flashing photo 3.

It should include end dams and if the wall includes a rain screen cavity a small gap 1 8 or so should be left between the flashing and head trim to allow moisture to escape.