Interior Window Sill Repair

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.

Interior window sill repair.

Place your old window sill on top of your new piece of wood and use a pencil to trace the exact shape onto the wood. Next place your new window sill where your old window sill was to make sure it s the right fit. Sill rite is a waterproof barrier that protects the sill area. Open the bottom window.

Around all the edges including between the underneath trim and the window sill. Won t rot peel or yellow. Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage. Sep 4 2018 explore neal rudnick s board window sill trim on pinterest.

Depending on how the sill was installed there will likely be a 1 4 inch by 1 2 inch piece of profiled wooden trim. 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. Wedge the pry bar under the sill and try to loosen the nails or sill. Moisture from condensation and minor window leaks can lead to mold growth with drywall or mdf sills.

When you have the exact shape you want use sandpaper to sand down the edges. First we ran a cutting blade this is my favorite caulk removing tool. Run a bead of waterproof marine grade adhesive along the old sill. Drill pilot holes every 16 inches or so through the new sill s front and back edges.

We pulled out the rest of the nails that were left behind. Sill rite sills are made of the same high quality vinyl as many window frames. Http bit ly jlgdey home improvement onli. Remove side window trim using the putty knife and pry bar.

Insert the tip of a utility knife between the sill and the trim. Cut out your new window sill with your table saw. See more ideas about home remodeling moldings and trim home renovation. Use the crow bar or chisel to slowly pry the windowsill off the window.

Use this method to repair dry rot damage in a window and avoid having to replace the entire window frame and sill. If necessary set your circular saw to the depth of the sill and cut the sill in half without touching the window wood or metal.