Document DMe9yYJN9qYRL2vyk4dNq27aB

SECTION V B-2.7 APPLICATION BASIC INSULATION PIPE AND FITTINGS URETHANE: D. Prevention of Pipe Corrosion 1. The ends of pipe insulation that butt to flanged or screwed fitting covers (permanent or semi-permanent), clamp type hangers and to any part system that is not to be insulated shall be sealed to prevent the penetration of moisture between the insulation and the pipe. 2i To serve the purpose a l/l6 inch thick stratum of 30-45 mastic about 1 inch wide shall be applied to the inner surface of the covering adjacent to these ends. See figures S A & B. FIG 8A