Product Overview
Buy ADJ 2 In. Sill Extensionfrom Vella.ca
If you are renovating an older home and just discovered that the sill on the exterior prehung doors that you just ordered isn't long enough, then the Masonite 2" sill extension is your solution. The Masonite 3" Sill Extension Kit with a Mill finish (Mill finish looks like aluminum) contains a 36" x 2" extension that can be easily snapped onto the existing door sill.
Buy ADJ 2 In. Sill Extension from Home DepotWarranty Information
Backed by a limited lifetime warranty.