Repair Window Sill Behind Siding

If you re siding right against the window.

Repair window sill behind siding.

Get rid of any rotted wood behind the apron and sill. Do ride the smooth edge when caulking a seam between a window and textured siding. Use a siding removal tool. Extract nails keeping the vinyl pieces in place in order to prepare vinyl pieces to be removed.

Repair any rotten spots on the old sill with epoxy. 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 window frame. Pry the trim away from underneath the sill and from both sides of the window with a pry bar. If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration.

Cut the tape to length with a utility knife and peel a little bit of the backing free and stick it to the top of the window. Use the crow bar or chisel to slowly pry the windowsill off the window. Siding is often textured and if you slide the tip of the tube along the bumpy texture the bead of caulk will. Do not cut the vinyl off.

A very common rot would be around your window or lower sills. Drill pilot holes every 16 inches or so through the new sill s front and back edges. Even though a hive nestled inside the wood aluminum or vinyl siding is hard to actually reach these are in fact some of the easiest and safest types of nests to get rid of because they require no contact. Remove the pieces of vinyl siding from around the window area.

If the sill was pretty rotted there s a good chance that water worked its way in behind it and rotted siding and possibly even framing members. Run a bead of waterproof marine grade adhesive along the old sill. You want to keep eight inches off the ground of wet ground contact. Keep the sill in one piece so you can use it as a model when cutting the new sill.

Paint can hide wood rot so poke the siding with the tip of the. And around the windows there are these great wraps that are. Before you pry break the caulk seal with a utility knife to avoid leaving wood chips from the trim. Trim the back edge of the new sill as needed so that its lower edge fits tightly against the siding and its back edge fits against the old wood.