Repairing a concrete window sill could appear to be a major job that s far beyond the skills of the average diyer but with the proper knowledge tools material and preparation you might find it s worth considering having a go yourself unless a complete rebuild is necessary.
Repair cracked concrete window sill.
Here is a site that will help with replacing a concrete sill l that is not broken off all the way under the window.
Window sills are designed to divert water away from the house and as a result they get a battering from the weather over time wooden sills can rot and concrete window sills can develop cracks.
Worn or loose joints.
Puddles of water collecting on the window sill.
As this may.
Apply a 3 8 inch thick layer of concrete all over the sill with a trowel following any contours to mimic its original shape.
Stone windowsills add old world charm to many buildings.
With concrete and slate sills the exposure to the variations in temperature can cause cracks and crumbling water penetration can also weaken the joints.
To avoid this check regularly for.
Repairing a woden sill.
If it is broken under the window it would probably require taking the window out to repair.
Resurface stained or cracked concrete window sills with new concrete.
Cracked or worn paintwork.
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.