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

DEAR TIM: I have a cement slab for a front porch and it is badly cracked. I would like to replace it with a composite deck. The problem is that when it rains, the water will run through the joints to ...