How To Fix Cracked Window Ledge

I prefer using a glue brush to help the epoxy work down into cracks and crevices.

How to fix cracked window ledge. This will keep the adhesive from leaking out the opposite side of the window. Fix any small or medium cracks in your concrete window sill with caulk. Mix 10 parts of putty to one part activator with a flexible metal putty knife. Scrape away any mess with the edge of the knife.

Once it is ready you can apply it to the surfaces that require stabilization and repair. Rub off flaking paint or loose concrete along the crack with the wire brush and make sure to clean out any moss that may be growing inside. Remove any dust with a soft brush. Mix only what you can use in five minutes or less.

As this may prevent the filler from making a good seal. Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage. Clean the glass with dish soap. Around all the edges including between the underneath trim and the window sill.

Apply the putty to fill the damaged areas smoothing it off even with the sill s surface. Fill any chipped or dinged areas with auto body filler putty. Thoroughly clean the break flushing out any potential debris with an eyedropper before applying tape to the back of the crack. You ll want to remove any dust oil or fingerprints and then wipe.

Using a syringe or brush apply the adhesive to the crack and allow it to dry completely before you remove the tape. We pulled out the rest of the nails that were left behind. Fit the narrow tip of a bottle of silicone latex caulk into each crack and overfill it by about inch. Spread and flatten the caulk with a small putty knife.

At this stage the biggest thing to watch for is any rot that may be around the frame. Wash the glass around the crack with a drop or two of dishwashing soap on a damp cloth.