Installing Vinyl Window Casing
Installing the trim slightly away from the jamb edges will help hide discrepancies.
Installing vinyl window casing. Cut bottom end of casing with aviation snips then install the casing against the window. Install the tops first then the sides and then the bottoms of the window surrounds. It is decorative providing a contrast to the area around the window and also it keeps water from. Double check these retrofit window installation measurements to ensure their accuracy so you don t end up with a window that doesn t fit.
Before installing door and window trim first caulk around the openings to create a moisture and air proof seal. Measuring from the sill to the top of the window along the inside edge. Set vinyl casing against vertical side of window and scribe bottom end to match angle of sill. How to install exterior trim around a window.
Use these retrofit window installation measurements to order the windows from a lumberyard or home center. 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. 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.
Glue a vinyl end cap onto each end of the vinyl windowsill. In most cases the old frame dimensions will match a standard size vinyl window. Cut the vertical trim. For even more personality and charm add a decorative corner or crown molding above the door or window.
Exterior trim around a window serves two purposes. Repeat to cut and install vinyl casing for the opposite side and top of window. Window panes are held in place in vinyl windows through a combination of tape and vinyl snap bead trim. It s a look you ll appreciate every time you cross the threshold into your beautiful home.
If window casing is installed flush to jamb unintentional gaps can form over time as the wood dries or the house settles. Instruction on how to install exterior 2x4 trim around a new or old window.