US 6,613,425 B2 · Insulated foam board systems and methods of producing the same

Abstract

An insulated foam board system of the present invention comprises a first layer, a second layer and a central layer. The first layer is made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof. The second layer is made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof. The central layer is located between the first layer and the second layer. The second layer is bonded to the first layer and the third layer. The central layer is made from a material selected from the group consisting of crystal polystyrene, impact polystyrene, polyethylene terephthalate and combinations thereof.

Claims34

Dependent claims

An insulated foam board system, comprising:

a first foam layer being made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof,
a second foam layer being made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof, and
a coated or laminated central layer to provide flexibility that is located between said first layer and said second layer, said second central layer being bonded to said first layer and said second layer, said central layer being made from a material selected from the group consisting of crystal polystyrene, impact polystyrene, polyethylene terephthalate and combinations thereof;
wherein the density of the insulated foam board system is from about 1 to about 4 lbs/ft3.

1 more element

Dependencies are inferred from the claim text.

Insulated foam board systems and methods of producing the same

Life of this patent

Insulated foam board systems and methods of producing the same

Life of this patent

Abstract

Claims34