DuctSox Corp.: Fabric Duct Framework
Pull-Tight is a patent pending, value-engineered product utilizing a combination of tensioning baskets and internal hoops to support, streamline, and tension a fabric system. Pull-Tight is suspended from either a tension cable or track suspension system. The tensioning locks, which are attached to the tensioning baskets and suspension system, tighten and lock the fabric externally into a taut, smooth appearance, versus the internally tensioned, premium-grade SkeleCore Fabric Tensioning System (FTS). The powder-coated steel-tensioning baskets are positioned at multiple locations throughout the system, typically located at opposite ends of fabric sections and at intermediate points for extended lengths. Maximum tensioned section lengths are 40 feet (12.19-meters). Tensioning baskets consist of two universal, 360-degree, multi-spoked rings spaced apart by a 29-inch-long (737-mm), 7⁄8-inch-diameter (22-mm) aluminum connecting tube. Factory-installed internal hoops are spaced every 5 feet (1.524-meters) to eliminate mid-length drooping. Tensioning basket ring and hoop sizes match their respective fabric duct diameters, which range 8-60 inches (203 to 1,524-mm) in 2-inch (51-mm) increments in the SkeleCore line. The tensioning baskets and locks are adjusted by installers in the field to streamline a perpetually inflated, wrinkle-free appearance, even when the air-handling unit is idle. Pull-Tight also eliminates popping rollout sounds and other fabric movements during AHU startup.