Installing Vinyl Window Casing

Window panes are held in place in vinyl windows through a combination of tape and vinyl snap bead trim.

Installing vinyl window casing.

Installing the trim slightly away from the jamb edges will help hide discrepancies. If window casing is installed flush to jamb unintentional gaps can form over time as the wood dries or the house settles. Use these retrofit window installation measurements to order the windows from a lumberyard or home center. Exterior trim around a window serves two purposes.

Measuring from the sill to the top of the window along the inside edge. Glue a vinyl end cap onto each end of the vinyl windowsill. Set vinyl casing against vertical side of window and scribe bottom end to match angle of sill. Cut bottom end of casing with aviation snips then install the casing against the window.

Double check these retrofit window installation measurements to ensure their accuracy so you don t end up with a window that doesn t fit. The tape or other adhesive is between the glass and the back part of the window frame with the snap bead over the front of the glass securing the glass in place. Cut the vertical trim. It s a look you ll appreciate every time you cross the threshold into your beautiful home.

Instruction on how to install exterior 2x4 trim around a new or old window. In most cases the old frame dimensions will match a standard size vinyl window. Repeat to cut and install vinyl casing for the opposite side and top of window. Mark the two measurements on the trim and set your miter saw to cut a 45 degree angle between the two measurements.

For even more personality and charm add a decorative corner or crown molding above the door or window. How to install exterior trim around a window. Install door window trim. Install the tops first then the sides and then the bottoms of the window surrounds.

Along the tops install j channel trim with horizontal siding and base trim with vertical siding. Then add 3 1 2 inches to allow for the 45 degree angle.