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 ...

Q. 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 great ...

Slab-style concrete countertops are customizable in terms of length, width, shape, and layout. You can add decorative edge detailing or convenient features such as a built-in drain board or an ...

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 ...

Learn professional concrete soundness techniques to detect delamination, assess structural integrity, and make informed ...

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 ...