ZeroClear™ is a cylindrical zero clearance grease duct and fire-rated integral chase for restaurant kitchen installations. It is available in both stainless and aluminized steel exteriors and can be customized to an application’s requirements. Features include a 3-inch wall thickness, high-temperature blanket insulation, and two-hour fire rating. According to the manufacturer, almost no slope is required on horizontal runs of ZeroClear, while carbon steel duct systems require a 1/4-inch drop per 1 foot of ducting for proper contaminant drainage.
Selkirk L.L.C., 1301 W. President George Bush Hwy., Ste. 330, Richardson, TX 75080-1139; 800-992-8369; 800-972-1421 (fax)