DEAR TIM: My new home is under construction. I’m in a disagreement with my builder about what’s going to happen under my garage slab. Right now there’s a trench around the inside on all four walls ...

Wood crackles as it burns in a chimney or campfire. When concrete is exposed to fire it chips and flakes - a process known as spalling. Both effects are due to the same phenomenon: water trapped ...

Equipment plays a vital role in compacting base materials and as a result, the quality and integrity of the finished concrete. From tampers to large soil rollers, compactors come in diverse product ...