First adjust the circular saw so that the depth of the saw blade is the same as the thickness of the sill.
How to remove an interior wooden window sill.
Go from coarse to medium to fine grit as the old finish or problems with the wood are addressed.
Slide a wide putty knife between the wall and the trim under the windowsill.
Press the edge of the pry.
This is done to simplify the removal process.
Cut underneath the windowsill along the.
Fill any holes with wood filler.
Begin the cut at the outside edge and proceed towards the window.
Insert the tip of a utility knife between the sill and the trim.
Take the cut as far as space will allow then turn the saw off and remove the saw.
Cut between the windowsill and trim to cut the caulk.
If parts of the sill or caulk remain use.
Not difficult to do and only ta.
Depending on how rotted your window sill is it may be an easy or more difficult job.
Wipe down the wood between sandings.
Use the rag and utility knife to clean away any debris left on the window frame.
We pulled out the rest of the nails that were left behind.
Step 2 removing the window sill.
How to replace an interior window sill.
First we ran a cutting blade this is my favorite caulk removing tool around all the edges including between the underneath trim and the window sill.
Most likely you will have to use a utility knife to break the caulked seal along the sill.
Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage.
In this video i help out one of my subscribers and give you step by step instructions to repair a water damaged window sill.
Often caulk is used at corners and seams.
You might need to use a pry bar to get this process started and then move on to a claw hammer.
Cut the sill in half.
Depending on how the sill was installed there will likely be a 1 4 inch by 1 2 inch piece of profiled wooden trim.