Saw off the old sill.
Repair window sill with epoxy.
The epoxy was designed for boatbuilding and repair and works great on windowsills columns and other areas where gluing filling and shaping are needed.
Rub the surface of any and all damaged areas with a stiff brush.
You mix it like cookie dough mold it like modeling clay and when it hardens you carve and sand it just like wood.
We use the epoxy in two ways as glue and as filler.
Keep the sill in one piece so you can use it as a model when cutting the new sill.
Fit the narrow tip.
Bondo the same product used as auto body epoxy filler has been used by handymen for years to repair damaged wood.
Fix any small or medium cracks in your concrete window sill with caulk.
Excavate rotted material and remove all loose compromised or weathered wood fibers with a stiff hand held.
The casing comes off to clear the way for removing the old sill.
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.
Expose clean wood by opening up cracks and splits with a saber saw blade broken hack saw blade scratch awl or the.
If the casings are rotting as.
Remove as much concrete debris as possible.
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.
You may also need to pry away trim material known as side casing.
Use the crow bar or chisel to slowly pry the windowsill off the window.
Epoxy is easy to handle too.
How to repair a concrete window sill preparation.
How to repair a rotted windowsill remove the side casings.
A circular saw with.
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.
First we brush on the epoxy to all wood surfaces and then tap in the piece.
Wooden window repair remove all the paint in the affected areas.