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 A division of Marvin
windows & doors.

Infinity by Marvin Replacement Windows is a division of Marvin Windows & Doors. Infinity is one of the largest manufacturers of replacement windows and doors with products made with Ultrex; a highly durable, practically maintenance-free, high-tech pultruded fiberglass material that outperforms all other window materials including vinyl, wood vinyl composites, and toll-form aluminum.