If the exterior prehung door you recently ordered has a sill that is not long enough, then the Stanley Sill Extension is your simple solution. This extension can be easily installed onto your existing door sill. The Stanley sill extension is made for prehung entry doors that are a maximum of 36 in. W.
- For 36 in. or smaller Stanley prehung entry doors
- Simple solution to extend your door sill
- 100% pure aluminum
- Easy to install
- Product length: 36 in.
- Product depth: 2.14 in.