Cutting Siding For Window Trim

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.

Cutting siding for window trim. The best way to cut vinyl siding. Then scribe the cut length 3 16 in. Nail the trim onto the jamb first and then to the window casing framing as you did with the top piece. Installation planning is the main factor to consider while designing a hardie board siding exterior.

There are three ways to cut vinyl siding each of which is the best for different circumstances. James hardie requires that all cut edges must be sealed with paint primer or caulking even if the siding is protected by a j trim. The result is a seamless assembly with tight joints and no gaps between wall and casing. The siding is tucked into the j trim leaving the same 1 8 clearance to the inside edge of the trim.

Step 1 trimming out a window. Adjust the miter as needed for a perfect fit. Cut a 45 degree miter on one end of the trim board. Take your time and always measure twice before you cut says tom.

Past the bottom of the jamb. Continue installing courses of siding along the sides of the window leaving 1 4 inch spaces within the j channel at the end of each piece of the siding for expansion. If you need to cut a lot of vinyl strips and you re making short. In order to get the most accurate cut line we decided to place our new window in the opening to trace it.

How to install hardie siding around window. When installing window casing in old houses tom often has to contend with walls that dip and bulge causing gaps between the trim and wall.