Cutting Siding For Window Trim

Cut a 45 degree angle on one end of the trim and hold.

Cutting siding for window trim.

Lock the notched. 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. Do not miter corner joints of band boards fascia corner trim etc. Instruction on how to install exterior 2x4 trim around a new or old window.

Place the piece of siding to be installed under the window along the bottom edge and hold it where it will be located. If you re cutting dark vinyl siding use chalk or light colored tape to mark the line you want to cut. Gap for every 18 ft. Measure the distance from the inside top of the j channel to the locking tab of the course below and subtract 1 4.

Cutting and installing the siding 1. Mark the line you want to cut on the siding with a pencil. 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. Make the line as dark as possible so it s visible when you re cutting it.

Below 60 degrees leave a 1 8 in. If you re installing trim in temps higher than 80 degrees f cut pieces to fit tightly. After installation cover the gap with acrylic or urethane caulk. How to install window trim mark the length.

Get the spacing right. Face nail trims using 2 inch 16 gauge finish nails after every 16 inches apart. Exterior trim over siding i have never seen it on window door trim but seen plenty on door window trim. Touch up the divided hardie trim boards before trimming them to your window.

The windows would be more work imo. Make sure that a drip cap is installed first over the window before going for the hardie siding. Where edges of trim meet siding material windows doors or other finished openings leave a minimum 3 16 inch 5 mm space to allow for proper sealing. Use a carpenter s square to draw the line straight.

Cut away the extra siding. Away from the jamb at both ends and along the base. You will see the trims lay nice and flat. Provide increased spacing along the trim if specified by the siding application instructions.

Check the fit then cut. When installing window molding start at the top.