Install Window Flashing Siding

Instruction on how to install exterior 2x4 trim around a new or old window.

Install window flashing siding.

Run the tape over the jamb. 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. Use an old rag to remove any dirt or debris that may be there. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.

Cut back wrb weather resistive barrier a your wrb should be wrapped over the rough opening of the window. Building paper and window flashing photo 3. Install the sill pan flashing. 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.

Cut the drip cap to the correct size for your window. The flashing is easy to cut with tin snips. Lap the flashing tape 2. Slide the top edge under the window fin then nail off the fin with roofing nails.

How is window flashing installed. The flashing will be wrapped over the rough opening of the window which is what will be covered eventually by siding. Install the trim just under the drip cap. Attach the flashing tape above the window and then slip the drip cap into the siding and attach to the tape.

Pay attention to the raised ribs which provide a flat surface where the window frame rests. A when installing sill pan flashing or the flashing at the bottom of the window you. Start by nailing the corners in place under the house wrap at the sides and over the house wrap below photo 4. Apply a bead of caulk to the felt and set the window in the caulk.

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. It s important to cover all sides top bottom and corners. Then cut the center section to fit. Next comes another layer of building wrap installed like the first layer.

Cut the corner tape at 45 degree angles to allow for folding over and so the seam is completely flush with the window.