Open the window.
Replacing interior window sill.
If parts of the sill or caulk remain use.
The first step is always the most worrisome right.
This old house general contractor tom silva shares some tricks of the trade for installing a new long lasting windowsill.
Press the edge of the pry.
See below for tools and a shoppin.
Use the rag and utility knife to clean away any debris left on the window frame.
Use a utility knife and if necessary a hammer to carefully break and remove any caulking or sealant that s binding the old sill to the.
Every window should be installed into the wall.
Creating a custom windowsill.
Cut between the windowsill and trim to cut the caulk.
Insert the tip of a putty knife behind the trim underneath on both sides in front at the back or wherever the trim is.
If your window is fairly new and are in good condition you may be able to replace your window sill without removing the window.
There is an excellent article posted at doityourself s forum for your reference click here for the how to install a new window sill without taking the window out article click here for the pdf version if the link is broken.
How to replace an interior window sill.
Depending on how the sill was.
Often caulk is used at corners and seams.
Insert the tip of a utility knife between the sill and the trim.
Slide a wide putty knife between the wall and the trim under the windowsill.
Cut underneath the windowsill along the.