Certainteed Corporation

Steven Craig Booz

Thomas Charles Gilbert

Kenneth David Bosler

Siding panels and intermediate articles of their manufacture are provided. The siding panels include a central portion including an aesthetic pattern and a pair of lateral edge portions which are molded while the polymeric material is still hot or molten. One exemplary aesthetic pattern provided is a cedar shake siding pattern. Adjacent cedar shake shingle impressions have substantially the same lengths, but a plurality of bottom edges of the individual shingle impressions are beveled to give the appearance of shingles having different lengths.

Staggered look shake siding

A method of manufacturing a shaped polymeric article is provided. A sheet of extruded hot polymeric material is provided and disposed onto a rotating belt. The rotating belt includes a mold impression therein and a plurality of apertures therethrough. The mold impression resembles a plurality of adjacent shingle impressions of substantially the same length. Each of the shingle impressions includes a bottom edge where at least one of the bottom edges is beveled to give the appearance of shingles having different lengths. Vacuum pressure is applied to the hot polymeric material through the belt, so as to draw the sheet into intimate forming contact with the mold impression to form a patterned central portion. The patterned central portion is cooled below the heat deflection temperature of the polymeric material. A length of the sheet is severed to produce a shaped polymeric article.

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Devon, PA, United States of America

Steven Craig Booz