Uncompacted fill under a concrete slab — be it for an entire home, an exterior patio, a front porch or a driveway — is a recipe for disaster. Concrete is an amazing material, but it has an Achilles ...

Applying control-joint filler demands balancing hardness to transfer loads, flexibility to move with the slabs and application timing to minimize tearing. A control joint (or contraction joint) is ...

DEAR TIM: I spent some time at your AsktheBuilder.com website but couldn’t locate the exact video that answers my question. There’s a wide ugly gap between my concrete outdoor patio slab and the slab ...

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 ...

DEAR TIM: What type of stone would be best for filling a cavity under a planned two-car garage addition? It is approximately 7 feet deep. The local concrete supplier sells recycled concrete for a ...

10 Best Concrete Crack Fillers 2025 - Fast Drying, Epoxy, WaterProof, Large & Small Cracks Links to the best Concrete Crack Fillers are listed down below: 10.

Rate of placement and screeding method are baseline decisions that must be made prior to start of placement. Placing/finishing concrete is time sensitive and susceptible to environmental conditions.

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 has enlarged, and some cracks are as wide as 2 inches now ...