Founded in 2007 by former executives of Simonton Windows, Wincore produces vinyl windows, impact-resistant windows, fiberglass entry doors and sliding patio doors, primarily for the residential ...
Four leading product brands from the Cornerstone Building Brands family — Ply Gem ®, Simonton ®, Mastic ... to enhance curb appeal. Vinyl siding, trim, windows, patio doors and metal ...
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