About Simonton Windows & Doors
Simonton Windows & Doors is a vinyl window and door manufacturer headquartered in Parkersburg, West Virginia, with a strong position in the residential replacement market and new construction segments across the eastern and central United States. Founded in 1946, Simonton built its reputation on durable vinyl frames, consistent manufacturing quality, and reliable dealer support across a competitive price range that spans from value to mid-premium.
Simonton's product line concentrates on vinyl single-hung, double-hung, sliding, casement, and awning windows; vinyl patio sliding doors; and complementary specialty shapes. The company is part of the Ply Gem Industries portfolio, which groups Simonton with other window and building products brands under a common ownership structure. Despite operating within a large parent organization, Simonton maintains distinct branding and a dedicated dealer and contractor network.
For contractors and builders working in eastern and central US markets, Simonton is a reliable mid-market vinyl specification that delivers consistent quality and availability. The brand is particularly well regarded in the replacement market for its combination of energy performance, warranty depth, and installer familiarity. Specifiers should evaluate Simonton against other Ply Gem brands to confirm the best product match for their specific market and project type.
Company Snapshot
Product Lines
Reflections Series (Vinyl)
Simonton's mid-premium vinyl window line for replacement and new construction residential projects with enhanced energy performance.
- Vinyl frame construction
- Double-hung, casement, awning, sliding, and picture configurations
- Multiple glass and Low-E options
- ENERGY STAR qualified
Prism Platinum Series (Vinyl)
Entry-level to mid-market vinyl windows and patio doors for value-focused new construction and replacement.
- Vinyl frame with multiple exterior color options
- Standard residential configurations
- Competitive price point
- ENERGY STAR qualified options
Patio Door Systems
Vinyl sliding patio doors coordinated with Simonton window lines for consistent aesthetic and performance across the elevation.
- Two- and three-panel sliding configurations
- Grille and glass options matching window lines
- Energy-code compliant
Common Applications
Eastern US Replacement Market
Homeowners and replacement contractors across the eastern and central US markets where Simonton has strong dealer penetration.
Production Residential New Construction
Volume builders using Simonton as a mid-market vinyl specification across production home programs.
Remodel and Home Improvement
Home improvement contractors and remodelers seeking reliable mid-market vinyl with strong regional dealer support.
What To Know
Mid-market vinyl consistency
Simonton occupies a reliable mid-market position in vinyl windows, offering predictable quality and availability in a competitive price range.
Ply Gem parent resources
Access to Ply Gem's manufacturing and distribution infrastructure improves supply chain stability and multi-product program potential.
Eastern US market penetration
Strong dealer and contractor familiarity across eastern and central US markets reduces specification friction for regional builders.
Editorial profile based on Simonton Windows & Doors public product and company materials; last reviewed April 30, 2026.