Shingle tear strength with fiber mixture of different fibers
AssigneeBuilding Materials Investment Corporation
InventorsQinyun Peng, Krishna Srinivasan, Bill Bittle, Betty C. Roberts, Mark McAteer
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Abstract
A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having different fiber lengths. The fibers contain a polysiloxane compound and are fixedly distributed in a binder.
Claims29
A cured, non-woven mat comprising a mixture of fibers having different fiber lengths, said fibers containing a polysiloxane compound, and fixedly distributed in a binder.
An asphalt coated roofing material comprising a cured non-woven mat that comprises a mixture of fibers having different fiber lengths, said fibers containing a polysiloxane compound, and fixedly distributed in a binder.
Dependencies are inferred from the claim text.