Patent ID: 8568844

Claim:
A composite structure for an outer surface of a pipe, comprising: first and second arcuate shaped elongated parts that are separate from one another, each of the first and second parts including: (a) an insulation being made of a porous material, and having an elongated-arcuate-shape having an interior surface sized to complement the outer surface of the pipe, and an exterior surface; (b) a copolymer-sodium silicate layer, on the exterior surface in bonding contact with the insulation, and within the pores of the insulation, wherein the copolymer-sodium silicate layer includes sodium polyacrylate; and (c) a flexible outer protective jacketing being formed of a laminate that includes a metal foil and has an adhesive layer on an inner face of the laminate, the outer protective jacketing including a protective release layer disposed on the adhesive layer to permit joining of the outer protective jacketing to the coated insulation member by removal of the protective release layer and joining the adhesive layer to the copolymer-sodium silicate layer of the coated insulation member so as to define an integral composite structure for a one step direct installation on the outer surface of the pipe; wherein each of the first and second parts has a first edge that runs a length of the part and a second edge that runs a length of the part such that when the first and second parts mate together, the two first edges mate together and the two second edges mate together, the outer protective jacketing of the first part having a first flap portion that extends beyond the first edge of the first part, the outer protective jacketing of the second part having a second flap portion that extends beyond the second edge of the second part, each of the first and second flap portions having a pressure sensitive adhesive thereon for application to the opposite first or second part to permit the first and second parts to mate together about an outer surface of the pipe.