Repairing Concrete Window Sills Exterior ◉

Apply a thin, even coat of your acrylic bonding agent with a brush. It should feel tacky, like rubber cement. Do not let it dry completely before applying the mortar. (If it dries, re-wet it with water.)

Profile the sill to shed water. The top should slope away from the window (minimum 15 degrees). Run your trowel over the surface to a smooth, but not polished, finish. repairing concrete window sills exterior

Repairing exterior concrete window sills is a weekend project that pays dividends in home protection. By removing loose material and using the right bonding agents, you can stop water intrusion in its tracks and keep your home’s exterior looking sharp for years to come. Apply a thin, even coat of your acrylic

Take your time on the prep, respect the curing process, and your window sills will outlast the next decade of storms. Your home’s curb appeal—and your dry walls—will thank you. (If it dries, re-wet it with water

Apply an epoxy adhesive to the chipped area and reshape it using a trowel to match the original profile. 3. Addressing Major Damage (Resurfacing)