Interior Window Sill Replacement
The Best Replacement Windows For Your Home The first step for how to replace an interior window sill is using your utility knife to cut the caulk between the window sill and the trim. next, cut underneath the window sill to free the sill from the trim board under it. after that, place your putty knife between the wall and the trim and pry the trim away from the wall. Wooden exterior window sill replacement starts with removing the old sill and using it to make a template for the new one. step 1: remove the window sill use a utility knife and a hammer if necessary, to carefully break and remove any caulking or sealant that's binding the old sill to the window frame. How to replace an interior window sill. step 1. cut between the windowsill and trim to cut the caulk. often caulk is used at corners and seams. cut underneath the windowsill along the trim step 2. step 3. step 4. step 5. A new window sill, correctly fitted and sealed, allows no warmth to escape and protects against dra...