Cutting Siding For Window Trim

Check the fit then cut.

Cutting siding for window trim.

It s normally a cost cutting measure when done at the corners they don t have to be careful or precise about the corner cut etc. Place the piece of siding to be installed under the window along the bottom edge and hold it where it will be located. Using a circular saw set to the right depth just a hair shallower than our siding to ensure we didn t break through the house wrap or wall and a brace to ensure a straight cut we cut away the extra siding from around our window frame. If you re installing trim in temps higher than 80 degrees f cut pieces to fit tightly.

Touch up the divided hardie trim boards before trimming them to your window. Do not miter corner joints of band boards fascia corner trim etc. Lock the notched. When installing window molding start at the top.

Provide increased spacing along the trim if specified by the siding application instructions. Exterior trim over siding i have never seen it on window door trim but seen plenty on door window trim. Mark the line you want to cut on the siding with a pencil. Place the top piece and hold the trim 3 16 in.

Below 60 degrees leave a 1 8 in. Measure the distance from the inside top of the j channel to the locking tab of the course below and subtract 1 4. Cut a 45 degree angle on one end of the trim and hold. Away from the jamb at both ends and along the base.

The windows would be more work imo. If you re cutting dark vinyl siding use chalk or light colored tape to mark the line you want to cut. See diagram 2e 4a. Make the line as dark as possible so it s visible when you re cutting it.

After installation cover the gap with acrylic or urethane caulk. Make sure that a drip cap is installed first over the window before going for the hardie siding. Gap for every 18 ft. Get the spacing right.

Cut away the extra siding. Cutting and installing the siding 1. Instruction on how to install exterior 2x4 trim around a new or old window. Use a carpenter s square to draw the line straight.

If it s between 60 and 80 degrees leave a 1 16 in. Face nail trims using 2 inch 16 gauge finish nails after every 16 inches apart.