How To Install Interior Vinyl Window Casing. Perfect Minter Joints Every Time Veteran trim carpenter Jim Chestnut shares his time-tested process for installing miter joints. Vinyl Window Pro offers classic vinyl trim 2 sizes available 2 ¾ inches and 3 ½ inches wide and two different corner pieces namely O.
100 lead-free durable virgin PVC. This creates a thin shadow line surrounding the window frame that delineates the window frame from the wall. Cut the boards on a table saw to create the box.
With a hammer or mallet lightly tap against the whole length of the casing until it is flush against the wall.
This creates a thin shadow line surrounding the window frame that delineates the window frame from the wall. Cut two pieces of casing for the sides. Another window trim option is to use a thin reveal piece around the window frame. Get the Spacing Right.