Roofing material with integrally formed nail tabs

Details Roofing material with integrally formed nail tabs Roofing material with integrally formed nail tabs

E - Fixed Constructions

04

D

E04D 5/12 (2006.01) B05D 7/24 (2006.01) E04D 5/02 (2006.01) E04D 12/00 (2006.01)

Patent

CA 2187716

A composite roofing material includes a final condition underlayment material having bonded thereto appropriate rows of nail tabs preferably made of thermoplastic-based material, such as low density polyethylene material, and of a contrasting color to the underlayment material. A process is used to make the nail tabs by conveying the saturated underlayment material in a continuous process past appropriate sets of nozzles that are coordinated with the speed of conveyance to deposit the tabs while in a liquid state and to form tabs of appropriate size and appropriately patterned across the underlayment surface. Each nozzle can include multiple orifices to control the width and thickness of the formed tabs. A similar process is disclosed for making other building cover materials having rows of nail tabs coinciding with standard stud spacing.

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