Marvin Replacement provides full-service window and patio door replacement service for homeowners across the Charlotte, NC area. Our design consultants help you select the windows and patio doors right for your home, along with the custom design options. We craft windows and patio doors precisely to fit your home and our installers expertly replace your old windows or doors with your brand-new fiberglass windows or patio doors. We're backed by Marvin, a fourth-generation family-owned business founded in 1912. We're driven to imagine and create better ways of living for people in their homes. Schedule a free design consultation today.