DEAR TIM: I recently saw a new paving system that I thought was ingenious. Instead of a solid driveway there were two strips of some precast concrete, each about 2-feet wide for the car tires. Grass ...

South Africa’s massive backlog in affordable housing is likely to see continued demand for precast hollow core concrete slabs from Elematic SA, given the high quality finish and the time that this ...

DEAR TIM: My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 ...

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