Owens Corning. The Fold-Form system of preassembled interlocking blocks enable walls from 4 to 16 inches thick. Universal Corner Kits and hardware/accessory packages allow for faster and complete installations and a wide variety of shapes, including curved walls, brick ledges, and offsets. The system offers resistance to 250-mph winds, achieves up to an STC-52 sound resistance rating, and offers 67% less air infiltration than a typical wood-framed building, says the firm. 800.438.7465. www.foldform.com.