Patent ID: 7857923

Claim:
A method of making an insulation product, comprising: (a) forming a first uncured or partially cured insulation layer containing randomly oriented fibers and a binder agent; (b) forming a second uncured or partially cured insulation layer containing randomly oriented fibers and a binder agent; (c) disposing at least two flexible reinforcing layers between said first and second uncured or partially cured insulation layers; and (d) heating said first and second uncured or partially cured insulation layers and said reinforcing layers, wherein said insulation layers are bonded to form an insulation mat having first and second major surfaces and a pair of side portions, and wherein said at least two reinforcing layers are adhered within said insulation mat between said first and second major surfaces with said at least two reinforcing layers being coupled together along respective faces, said insulation mat being separable at an interface of said at least two reinforcing layers to form at least two insulation products.