Repair Window Sill With Epoxy

Rub the surface of any and all damaged areas with a stiff brush.

Repair window sill with epoxy.

Excavate rotted material and remove all loose compromised or weathered wood fibers with a stiff hand held. Make a plumb cut flush with the sheathing along the length of the rotten sill. The casing comes off to clear the way for removing the old sill. How to repair a concrete window sill preparation.

Fit the narrow tip. Epoxy is the perfect material to make permanent repairs of rotting window sills door jambs and exterior molding that are difficult to remove and expensive to replace. Use the crow bar or chisel to slowly pry the windowsill off the window. Saw off the old sill.

Epoxy is easy to handle too. Bondo the same product used as auto body epoxy filler has been used by handymen for years to repair damaged wood. How to repair a rotted windowsill remove the side casings. You mix it like cookie dough mold it like modeling clay and when it hardens you carve and sand it just like wood.

Wooden window repair remove all the paint in the affected areas. First we brush on the epoxy to all wood surfaces and then tap in the piece. Expose clean wood by opening up cracks and splits with a saber saw blade broken hack saw blade scratch awl or the. Use the putty knife that was trimmed with the aviation snips to shape the epoxy to match the original casing.

You may also need to pry away trim material known as side casing. Hold a straightedge against the underside of the windowsill then strike off the epoxy with a putty knife to fill any remaining voids and create a perfectly straight line. If you have an older home and have had estimates for replacing old rotted out window and door sills you know how expensive it can be. Fix any small or medium cracks in your concrete window sill with caulk.

Keep the sill in one piece so you can use it as a model when cutting the new sill. We use the epoxy in two ways as glue and as filler. 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. Remove as much concrete debris as possible.