Siding Window Trim Installation

Install the tops first then the sides and then the bottoms of the window surrounds.

Siding window trim installation.

Provide increased spacing along the trim if specified by the siding application instructions. Install undersill trim the width of the window flush to the casing. 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. Furring may be necessary to maintain proper pitch of the siding.

Installing vinyl siding around windows. Available in a variety of colors and styles vinyl siding is widely used and favored by many contractors and do it yourselfers for its durability. This video shows the installation of siding j channel around doors and windows. Install siding at the top of a window or door in a similar fashion but this time set the siding on the window channel and use the window trim to mark the cut.

Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Cutting siding around window. See diagram 2e 4a. Gap on each side for expansion.

The resulting raised lugs should face outward and will snap into undersill trim. These instructions describe and illustrate the steps involved in installing certainteed siding trim and accessories. We have dozens of installation specialists throughout the u s. Using the snap lock punch punch the panel 1 4 in.

Their purpose is to provide detailed information and how to tips that will simplify the installation process. As a homeowner you will work with a contractor who will facilitate the installation of your james hardie siding trim soffit wrap and flashing products including products with colorplus technology. And canada who are available to work with any contractor or builder. Measure from the locking tab of the siding below to the undersill trim to determine the depth of the notch.

Mark it on each side of the window allowing an extra 1 4 in. Mark the cuts for siding under the window. Install door window trim. Position the siding to be notched below the window.

Proper installation is critical.