Expansion Joints provide space between concrete slabs as a buffer for expansion on hot days and contraction when it is cold. Do concrete driveways need expansion joints?Įvery concrete slab, inside (basements, garages, etc.) or outside (driveways, patios, entries, etc.) are required to have joints every eight feet horizontally and vertically. ![]() The cut will come out smoother with less dust. So if possible, cut the concrete when it’s hard but only half cured. ![]() Wet concrete is very difficult to cut, and fully cured concrete can fracture as it’s being cut. ![]() The blade should be at least 14 inches (35 cm) in diameter, which allows you to cut curbs up to 6 inches (13.7 cm) tall and wide. You can transform that plain patch of tarmac by tearing up the section above the curb and replacing it with materials that look like they were taken from the streets of Brussels itself.Ĭut the curb If you do the cuts, use a large, hand-held, gas-powered concrete-cutting circular saw (with diamond-carbide blade) from a rental center. What is a driveway apron? It’s the area where your residential driveway meets the street pavement.
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