Abstract: An article comprises a tube and at least one thermoplastic pouch inserted within the tube wherein the tube comprises an upper section, a lower section, an inner section and an outer section, the tube comprises an inner layer and an outer layer, the inner layer being a permeable membrane that is permeable to vapors but impermeable to liquids and the outer layer being a nonwoven fabric, a microporous film, an SMS sheet or an SMMS sheet. In the central area of the upper section 13 and/or the lower section 14 of the tube, at least one slot is cut into the outer layer 18 to reveal the inner layer 17, the slot extending at least partially along the tube length L, the pouch is located within the tube such that it contacts the lower and inner sections of the tube and the pouch contains a foamable composition.

Abstract: An article comprises a tube and at least one thermoplastic pouch inserted within the tube wherein the tube comprises an upper section, a lower section, an inner section and an outer section, the tube comprises an inner layer and an outer layer, the inner layer being a permeable nonwoven fabric and the outer layer being a semipermeable membrane that is permeable to vapors but impermeable to liquids, the tube has a plurality of holes that penetrate through the inner and outer layers of the upper section and/or lower section of the tube, the pouch is located within the tube such that it contacts the lower and inner sections of the tube and the pouch contains a foamable composition.

Abstract: An article 10 comprises a tube and at least one thermoplastic pouch inserted within the tube wherein the tube comprises an upper section, a lower section, an inner section and an outer section, the tube comprises a semi-permeable single layer of a nonwoven sheet of flashspun polyethylene or a microporous film stabilized by an open weave fabric or scrim, the tube has a plurality of holes that penetrate through the tube in the upper section and/or the lower section of the tube, the pouch is located within the tube such that it contacts the lower and inner sections of the tube and the pouch contains a foamable composition.

Abstract: An article comprises a tube and at least one thermoplastic pouch inserted within the tube wherein the tube comprises an upper section, a lower section, an inner section and an outer section, the tube comprises an inner layer and an outer layer, the inner layer being a semipermeable membrane that is permeable to vapors but impermeable to liquids and the outer layer being a nonwoven fabric, the tube has a plurality of holes that penetrate through the inner and outer layers of the upper section and/or lower section of the tube, the pouch is located within the tube such that it contacts the lower and inner sections of the tube and the pouch contains a foamable composition.

Abstract: A one component spray polyurethane foam formulation containing a polymeric isocyanate with nominal functionality of 2.5 to 3.5, a polyol component that is at least 85 percent aliphatic and having a mole ratio of polyol with three or more functionality to total polyol of 0.2 to 0.75, 15-30 wt % of a plasticizer, 1.5-3.5 wt % phosphorous, 5.5 to 11.5 halogen and 1.5 to 5 millimoles of blowing agent per gram of formulation and that is free of expandable graphite achieves a B2 rating in DIN 4102 testing.

Abstract: A pipe insulation system that serves as insulation for a length of pipe contains section of thermoplastic polymer foam that fit circumferentially around a length of pipe, rings of melt barrier material that fit circumferentially around the length of pipe and abut adjacent sections of thermoplastic foam, mesh around the sections of thermoplastic polymer foam and rings of melt barrier material, a metallic covering enclosing the thermoplastic polymer foam, melt barrier material and mesh, and a support band that fits circumferentially around the metallic covering and that holds the pipe insulation system against a length of pipe around which the pipe insulation resides. A ring of melt barrier material is present at the top and bottom of non-horizontal length of pipe and within any 250 centimeter distance along the length of pipe.

Abstract: An article with at least two extruded thermoplastic polymer foam pieces that fit together to form a length of foam having a generally annular cross section, each piece having a concave surface such that the concave surfaces adjoin to form an internal edge defining a hole within the generally annular cross section; wherein each piece has a density less than 36 kilograms per cubic meter, a product of density times average cell size that is less than 17 millimeters*kilogram per cubic meter, and a thermal conductivity of 35 milliwatts per meter*Kelvin or less.

Abstract: A one component spray polyurethane foam formulation containing a polymeric isocyanate with nominal functionality of 2.5 to 3.5, a polyol component that is at least 85 percent aliphatic and having a mole ratio of polyol with three or more functionality to total polyol of 0.2 to 0.75, 15-30 wt % of a plasticizer, 1.5-3.5 wt % phosphorous, 5.5 to 11.5 halogen and 1.5 to 5 millimoles of blowing agent per gram of formulation and that is free of expandable graphite achieves a B2 rating in DIN 4102 testing.

Abstract: A wall insulation system includes a thermoplastic polymer foam board, ribs of melt barrier material extending horizontally across the width of the thermoplastic polymer foam board and a metallic facing bonded to the outside surface of the thermoplastic polymer foam board and covering the outside primary surface of the thermoplastic polymer foam board and any ribs exposed along the outside primary surface of the thermoplastic polymer foam board. A rib of melt barrier material extends across the width of the thermoplastic polymer foam board in any 50 centimeter distance along the height of the foam board.

Abstract: An article with at least two extruded thermoplastic polymer foam pieces that fit together to form a length of foam having a generally annular cross section, each piece having a concave surface such that the concave surfaces adjoin to form an internal edge defining a hole within the generally annular cross section; wherein each piece has a density less than 36 kilograms per cubic meter, a product of density times average cell size that is less than 17 millimeters*kilogram per cubic meter, and a thermal conductivity of 35 milliwatts per meter*Kelvin or less.

Abstract: A pipe insulation system that serves as insulation for a length of pipe contains section of thermoplastic polymer foam that fit circumferentially around a length of pipe, rings of melt barrier material that fit circumferentially around the length of pipe and abut adjacent sections of thermoplastic foam, mesh around the sections of thermoplastic polymer foam and rings of melt barrier material, a metallic covering enclosing the thermoplastic polymer foam, melt barrier material and mesh, and a support band that fits circumferentially around the metallic covering and that holds the pipe insulation system against a length of pipe around which the pipe insulation resides. A ring of melt barrier material is present at the top and bottom of non-horizontal length of pipe and within any 250 centimeter distance along the length of pipe.

Abstract: A wall insulation system includes a thermoplastic polymer foam board, ribs of melt barrier material extending horizontally across the width of the thermoplastic polymer foam board and a metallic facing bonded to the outside surface of the thermoplastic polymer foam board and covering the outside primary surface of the thermoplastic polymer foam board and any ribs exposed along the outside primary surface of the thermoplastic polymer foam board. A rib of melt barrier material extends across the width of the thermoplastic polymer foam board in any 50 centimeter distance along the height of the foam board.