Model # 273181
Store SKU # 1000666419
If you are renovating an older home and just discovered that the sill on the exterior prehung door you just ordered isn't long enough, then the Masonite 3" sill extension is your solution. The Masonite 3" Sill Extension Kit with a Mill finish (Mill finish looks like aluminum) contains a 36" x 3" extension that can be easily snapped onto the existing door sill.
- For 36" or smaller Masonite single, inswing entry doors
- Use this kit to extend your door sill
- Easy to install