When installing vinyl or other windows, you may need to add a jamb extension. This is particularly difficult in older homes that have thicker walls or newer homes when the extension jambs do not come pre-applied. So what is an extension jamb, this is simply adding a small piece of wood in order to make the window the same depth as your wall thickness. I have done this for years using shims and I must tell you, WHAT A PAIN. Here is a secret to making this EZ!!!
EZ-HANG™ turns this troublesome task and turns it into a relatively simple process. So if you install windows and your window is not the same depth as the wall, look at these instructions for a simple method of installing extension jambs.