Cutting Siding For Window Trim

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

Cutting siding for window trim.

Touch up the divided hardie trim boards before trimming them to your window. If it s between 60 and 80 degrees leave a 1 16 in. Below 60 degrees leave a 1 8 in. Place the piece of siding to be installed under the window along the bottom edge and hold it where it will be located.

Away from the jamb at both ends and along the base. Exterior trim over siding i have never seen it on window door trim but seen plenty on door window trim. Make the line as dark as possible so it s visible when you re cutting it. Gap for every 18 ft.

Face nail trims using 2 inch 16 gauge finish nails after every 16 inches apart. Measure the distance from the inside top of the j channel to the locking tab of the course below and subtract 1 4. Get the spacing right. Cutting and installing the siding 1.

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. If you re cutting dark vinyl siding use chalk or light colored tape to mark the line you want to cut. Cut away the extra siding. When installing window molding start at the top.

Place the top piece and hold the trim 3 16 in. 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. Lock the notched. 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.

Mark the line you want to cut on the siding with a pencil. After installation cover the gap with acrylic or urethane caulk. Check the fit then cut. How to install window trim mark the length.

The windows would be more work imo. Provide increased spacing along the trim if specified by the siding application instructions. If you re installing trim in temps higher than 80 degrees f cut pieces to fit tightly. Instruction on how to install exterior 2x4 trim around a new or old window.

See diagram 2e 4a. Do not miter corner joints of band boards fascia corner trim etc.