Hardie Board, WonderBoard and Durock are all classified as cement boards. These sheet goods are made with a mixture of Portland cement and sand instead of the powdery gypsum that’s used in drywall.

This study reveals how Fe(II) ions boost foam stability in concrete, utilizing hydrolyzed pumpkin seed protein for stronger, water-resistant building materials.

Dear Jim: I am thinking of building one of those concrete/foam block houses for efficiency, security and strength. Since concrete feels so cold, is it really energy efficient and will I be limited on ...