Integrity Windows and Doors from Marvin – February 7, 2016August 22, 2016 Integrity Double Hung Window Comparison Each year, BUILDER Magazine commissions an in-depth study surveying what brands builders recognize and use most. According to the 2015 Builder Brand Use Study, Integrity swept all Fiberglass Window categories as the professionals’ brand of choice.
Each year, BUILDER Magazine commissions an in-depth study surveying what brands builders recognize and use most. According to the 2015 Builder Brand Use Study, Integrity swept all Fiberglass Window categories as the professionals’ brand of choice.