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 ...

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.

Premature finishing, overworking the surface and inadequate curing are typical causes of surface defects on exterior slabs. Some of these defects include premature wear, scaling, mortar flaking and ...