Touch-up any spots that were missed in the first pass. Tip: When painting concrete walls with a roller, you can start at the bottom of the wall and work your way up, paint in a W pattern ...

While it’s not a danger in and of itself, efflorescence can be linked to excess moisture, mold growth, or poor drainage.

An curved arrow pointing right. Most people think that the walls alongside highways, often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually ...