How To Resurface Concrete In 4 Steps This Old House
Our concrete walk has pits and seems to be crumbling. How can we fix it Jace Laakso, Missoula, Mont. Tom Silva replies Spalling, the pits that form in concrete, happen when too much water is used in a concrete mix, weakening it. In the past, when a concrete patio or driveway started to show serious signs of aging, using a jackhammer or bringing in a bulldozer were the only repair options.