Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Tried, True, Trustworthy Home Advice

Cracks happen, and it's important to take care of them before winter freezes make them worse. To repair cracks in concrete walkways, patios, or driveways, first clear away any dirt or debris from the damaged area, and then fill in the crack with masonry crack filler or concrete patch. Once you’ve filled the crack, smooth the edges of the new material with a trowel, and let the repair cure overnight.

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