Installing Exterior Window Trim Over Wood Siding

You can add any style of trim without affecting the weather performance.

Installing exterior window trim over wood siding.

Before you replace the siding cut and install new j channels to prevent water from leaking into your home. Work smart with pvc trim for good results with this rotproof material you have to understand how it moves. The first and most obvious solution is to rabbet 5 4 stock with a nominal thickness of 1 inch for the trim. How to install new windows with wood siding.

How to install nail fin windows in 5 common wall types. Install the window and tape the flanges to the housewrap or tar paper with flashing tape such as tyvek contractor tape. 5 4 stock is more expensive than 1 by stock. We just have that last little window above the porch roof to install and trim out and we ll be ready to keep moving out there.

That one long straight line of trim made the siding install super easy. Cut the horizontal piece to size and snap it in place over the vertical moldings. The second problem is the added weight of 5 4 stock. Because we couldn t just lift up our siding to pull out the old window place in the new one and then throw the siding back down over it we had a few extra steps to walk through.

Be sure to choose a wood stain or material for the trim that will complement your new shingle siding. The first drawback to that method is cost. Pry off any trim around the window. If you plan to weave the shingles at outside corners see steps 6 and 7 you don t need outside corner trim.

Apply trim install exterior trim around the windows and doors as needed. More shop class videos. Now you simply side around the window.