Then, use a CertainTeed electric power routing tool to cut the casing groove and tapered end. T 1 T 2 L 1 Min. BOD L 2 Laying Length Approx. Certa-Lok Couplings are boxed and shipped with gaskets factory installed. Splines and torque control screws will be shipped in same carton with couplings.
All dimensions are in inches and are subject to manufacturing tolerances.
Gaskets are teflon coated. Special lubricant is generally not required. 20' is standard length. Consult your distributor or CertainTeed for availability of 10' lengths prior to placing an order. For more information on CertainTeed, please Contact Us .