SLIDING & FOLDING DOORS
LIFT & SLIDE DOORS
SWINGING DOORS
NANAWALL CERO
BRANDS
Marvin
Marvin has been family-owned and led for over 100 years, starting in 1904 in Warroad, Minnesota. They’re known for crafting high-quality custom windows and doors built for durability, architectural flexibility, and energy efficiency.
Their portfolio includes historic restorations, specialty shapes, modern contemporary lines, and custom solutions made for demanding climates. Innovation, craftsmanship, and a focus on helping people “live happier and healthier” in their homes are at the heart of their identity.
Nanawall
NanaWall is the pioneer in folding glass walls, having introduced their first wood-framed opening glass wall in 1986. Their systems allow large openings to be transformed, connecting indoor and outdoor spaces in ways that blend beauty, structural performance, and energy efficiency.
Over decades they have innovated with slimmer profiles, better seals, and improved thermal and acoustic performance while preserving the architectural intent. If you want dramatic glass walls that perform as well as they look, NanaWall is the gold standard.