Installing Window Trim Over Lap Siding

The other method is to install trim that overlaps the face of siding so that when you look at the side of the trim there are gaps due to the bevels in the siding.

Installing window trim over lap siding.

In order to get the most accurate cut line we decided to place our new window in the opening to trace it. How to caulk the window trim on lap siding 1. We used pressure treated 2 x 4 s for the trim around the windows and the doorway and then we had to create trim corners for both the inside and the outside corners like the ones in the picture above. This meant our new windows would have trim that was much wider than our old windows making it necessary to cut away a bit of our siding to sit flush with the edge of that new trim.

On the web i see two different methods of putting trim around windows and doors on walls that have siding. One method is cut the siding very precisely so it buts into the side of the trim. Last edited by jerry peck. Before you replace the siding cut and install new j channels to prevent water from leaking into your home.

Contractors watch this video to learn about the advantages of using lp smartside trim siding products and how to install them. The main difference in the installation instructions from glancing through them both is that the hz10 product is permitted to have the trim installed over the siding while the hz5 product is not. If we installed the trim after the siding we would have had to caulk a ton to fill in for the different levels the layered siding creates. Pull the tip of the caulk tube slowly along the joint of the window trim and the siding holding the caulk gun at a.

Cut the horizontal piece to size and snap it in place over the vertical moldings.