Add Flashing Around Replacement Window Where Siding Has Been Removed

How to install flashing around a window when you install a window in new construction the building wrap overlaps the self adhesive flashing.

Add flashing around replacement window where siding has been removed.

Flashing tape over the exposed face of the installed strips sticky side to sticky side and also to the sheathing. On both sides of the window or door trim the wrap close to the window or door flange. After you have placed the flashing and waterproofing you will need to butt the siding up to the edges of the window. Once the siding has been removed you will need to inspect the paper and flashing behind it to ensure that it has not suffered any water damage.

Remove the pieces of vinyl siding from around the window area. Install head flashing and extend out 3 4 inch to each side. If you re siding right against the window. Add building paper which should extend behind the window s nailing fin.

Also make sure that the flashing along all sides of the window is adequate. In a remodeling job apply self adhesive flashing strips in this order. If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this. Next apply strips of 4 in.

Look for any holes that need to be patched and make sure that the building paper extends behind the window s nailing fin. Because the vinyl siding on the exterior of the window does not provide a 100 waterproof barrier it s important to also install building paper and flashing to avoid water getting in and rotting the wood beneath the window. Install the kickout flashing underneath the first shingle photo 1. If possible you can simply remount the.

Secure the wrap to the flange with tape or caulk. To allow moisture to escape the bottom of the window is not flashed. Cut the tape to length with a utility knife and peel a little bit of the backing free and stick it to the top of the window. Then add small pieces of flashing over the gaps at the corners.

Use a siding removal tool. Install the siding around the window. Along the bottom then the sides then the top. But if you plan to surround the window with trim choose 9 in wide flashing to protect behind the seam between the trim and the siding.

Extract nails keeping the vinyl pieces in place in order to prepare vinyl pieces to be removed. Tape the flap from step 2 over the flashing. Install side flashing over the wrap. Once the flashing has been addressed the tile around the window is mostly cosmetic but does act as an additional physical barrier.

This isn t so critical if the water from the shower will not be spraying on the window. Use this tool by inserting it where a piece of vinyl overlaps a piece below it and then sliding it across until you reach the end of. Slide a putty knife behind the flashing tape and use it to press the adhesive side of the tape onto the back side of the casing.