Dear Tim: Some of the concrete walkways on our 100-acre island association development are disintegrating. The top surface is crumbling. Other concrete adjacent to it, poured at the same time, is in ...

In legend the philosopher’s stone was an alchemical substance that turned base metals into gold. Wars were fought, and tomes were written in the search for that legendary substance. The building ...

Concrete will crack. Oftentimes, applying a concrete overlay can be a more cost effective solution than ripping out and replacing the entire cracked concrete slab. Stuart Nickel, owner of Absolute ...

Q–The surfaces of my concrete driveway and sidewalk are crumbling. The concrete just below the surface appears to be in very good shape. Can a thin concrete overlay be installed over the sound ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Q: Each time it rains, a puddle develops on the outer edge of my circular patio. The patio is made of older concrete and it rests on a low retaining wall. The puddle appears to be related to a crack ...