Repairing Cracked Concrete Window Sills

Allow to dry for at least 4 days before.

Repairing cracked concrete window sills.

How to repair a concrete window sill preparation. Rub off flaking paint or loose concrete along the crack with the wire brush and make sure to clean out any moss that. I have an exterior concrete window sill that has a crack in it that i want to patch pic attached. Mix the concrete patching compound following the manufacturer s directions.

Fill in the cracks or broken concrete with either the multi purpose exterior filler or the sand and cement mixture. Repairing a concrete window sill assessing the damage. Fix any small or medium cracks in your concrete window sill with caulk. Fill the crack up to the surrounding concrete surface.

Before you begin you need to assess the damage to determine the extent of the required 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. Trowel the compound into the crack. You ll be pleased to hear that this is a relatively easy job.

I have on hand a tube of big stretch caulk and a tub of dap bondex ready mixed concrete patch. Rub the surface of any and all damaged areas with a stiff brush. Stab the trowel into the compound to remove air pockets and help work the patching material deep into the crack. Remove as much concrete debris as possible.

What would be an appropriate material to fill it with. Window sills are designed to divert water away from the house and as a result they get a battering from the weather.