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US 2001/0055680 A1Published application
Roofing material
OwnerMatti Kiik, Daniel Lavietes +2inventors
InventorsMATTI KIIK, DANIEL LAVIETES, MICHAEL L. BRYSON, TIMOTHY HARVE LOCK
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Abstract
Roofing material is improved by adhering to at least part of its lower surface a backing material consisting essentially of a fiber component and a binder component. Acceptable fibers include polyester, glass and woodpulp. In a preferred embodiment, the fiber component is a mixture of polyester and glass fibers and the binder is a latex binder.
Claims8
In a roofing material having an upper surface intended to be exposed to weather and a lower surface facing in a direction opposite to the upper surface, the improvement comprising:
- a backing material adhered to at least part of the face of said lower surface wherein said backing material is selected from the group consisting essentially of polyester fibers, woodpulp, glass fibers, cotton fibers, wool fibers, carpet material, nylon fibers, rayon fibers, acrylic fibers, polyolefin fibers, polypropylene fibers and recycled plastics fibers, binder material, crosslinking agents and mixtures thereof.
Dependencies are inferred from the claim text.