Small cracks in your concrete driveway, patio, or foundation may not seem like much to worry about, and you may be tempted to ignore them. But left to their own devices, they can eventually widen into ...

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 ...

Q. There’s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. I’m trying to determine whether to caulk the crack or fill it with some cement-based patching ...

Concrete cracks. That’s a fact of construction life that has been with the human race since it began building with concrete three millenia ago. The problem spurred the Romans to develop and perfect a ...

When positioned in the upper or top portion of the slab thickness, steel reinforcement limits the widths of random cracks that may occur because of concrete shrinkage and temperature restraints, ...

Q Our fireplace brick is cracked, and we want to know if there is any way to fix it. Also, there are cracks in our patio. Can those be repaired or at least made less unsightly? A Let’s take the patio ...

We have all heard the saying “concrete can be counted on to do two things — get hard and crack.” Without thoughtful human intervention that saying might be true, but today slabs-on-ground can be ...

Infrastructure supports and facilitates our daily lives – think of the roads we drive on, the bridges and tunnels that help transport people and freight, the office buildings where we work and the ...

Last week I was flooded with great problems to solve. James H. lives in Evanston, Ill., in a condominium complex. Not all condo complexes have garages. Some have carports that stop most sunlight and ...

Researchers have developed bacteria that produce a kind of glue that can "knit together" cracks in concrete structures. Nine students at Newcastle University in the U.K. engineered a microbe to swim ...