Cheng Design Concrete Countertops . Though he now designs houses, he got his start in the kitchen and bath industry. A nationwide bestseller, concrete countertops is sure to inspire the designer — an…
4500 Psi Concrete Mix Design . If you need more strength than the standard 3500 psi mix, try 4000 or 4500. Between the w/c ratio chart, which can be printed out as a report, and the evaluation on a s…