PRODUCT GUIDE Underlayments DensArmor Plus interior gypsum boards Photo: Georgia Pacific Behind the recommendations Related articles Behind the recommendations Related articles Underlayments More about Underlayments Drywall Options: Paper-Faced, Monolithic, or Fiberglass-Faced? Drywall types differ in cost, recyclability, and response to moisture and mold. Building Acoustics: The Basics of Managing Sound and Noise Acoustic performance is crucial to occupant well-being. And smart design, not added cost, can make the difference. CAFboard Compressed-Straw Panel Is Back Using American-made waste straw for wallboard, insulation, and acoustic applications, Stramit USA has brought back CAFboard. Gypsum Board: Are Our Walls Leaching Toxins? EPA Finds Coal Fly Ash Safe in Concrete and Gypsum Wallboard The Hidden Science of High-Performance Building Assemblies Any four walls and a roof make an enclosure, but for efficiency, comfort, and durability, those elements have to be meticulously designed and installed.