Replacing Interior Window Sill

Often caulk is used at corners and seams.

Replacing interior window sill.

Creating a custom windowsill. If parts of the sill or caulk remain use. Open the window. Insert the tip of a utility knife between the sill and the trim.

Tap the tip of a flat pry bar under the sill from the. The first step is always the most worrisome right. If your window is fairly new and are in good condition you may be able to replace your window sill without removing the window. Depending on how the sill was.

Slide a wide putty knife between the wall and the trim under the windowsill. We ended up replacing all four window sills along the front because we made them an inch. Press the edge of the pry. Every window should be installed into the wall.

Cut underneath the windowsill along the. 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. How to replace an interior window sill. Use the rag and utility knife to clean away any debris left on the window frame.

This old house general contractor tom silva shares some tricks of the trade for installing a new long lasting windowsill. See below for tools and a shoppin. How to repair the interior window sill and trim tools and materials.