Business Details
50+ Years
experience
Your Trusted Source for High-Performance Windows & Doors in Alaska
Capitol Glass has been serving Alaskans since 1951, specializing in high-performance windows, doors, and glass solutions designed for extreme northern climates. As Alaska's only NFRC-certified insulated glass and window manufacturer, we combine decades of local expertise with rigorous quality standards to deliver products that withstand subzero temperatures and high winds. Our custom-manufactured windows and doors prioritize energy efficiency, offering insulation values comparable to building walls while eliminating cold drafts.We maintain a 20-year warranty on insulated glass units, backed by independent lab testing and partnerships with top U.S. glass suppliers. Our commitment to quality extends to Agalite shower enclosures and Codel fiberglass doors, ensuring comprehensive solutions for residential and commercial projects across Alaska.
Services
Windows
Fiberglass Doors
Insulated Glass Units
Shower Enclosures
Specialty Glass
Commercial Glass
Custom Window Manufacturing
Energy-Efficient Doors
Glass Replacement
Alaska-Climate Windows
Details
- Year established: 1951
Highlights and features
- 70+ years of Alaskan climate-specific window expertise
- Only NFRC-certified glass manufacturer in Alaska
- 20-year warranty on tested, certified insulated glass units
- Engineered solutions for 165 mph wind resistance
- Locally manufactured products with nationwide supplier partnerships
Associations and certifications
- National Fenestration Rating Council (NFRC)
Services
Windows
Custom-manufactured windows engineered for Alaskan conditions. Offer double-, triple-, and quad-pane configurations with advanced insulation (R-value up to R8.33). Features include rubber gaskets, foam spacers, and 165 mph wind resistance. Ideal for residential and commercial applications requiring superior thermal performance and noise reduction.
Fiberglass Doors
Codel fiberglass doors with Hydroshield Technology prevent moisture damage. Available in smooth or textured finishes with composite stiles and rails. Includes commercial ball-bearing hinges, adjustable sweeps, and ENERGY STAR ratings. Provides six times the insulation of wood doors with maintenance-free durability.
Insulated Glass Units
NFRC-certified insulated glass units manufactured with Cardinal and Hartung materials. Available in custom shapes and sizes for residential and commercial projects. Undergo rigorous independent testing with 20-year residential warranty. Features argon fill, foam spacers, and rubber sealing for optimal thermal efficiency.
Shower Enclosures
Agalite shower and bath enclosures with tempered glass and aluminum frames. Offers seven design options, multiple glass types (clear, tinted, patterned), and customizable hardware. Includes limited lifetime warranty. Available as DIY kits or fully custom installations for luxury bathroom applications.
Specialty Glass
Cut glass and specialty glass solutions for architectural and commercial needs. Includes tempered glass, patterned glass, and ShowerGuard options. Available with various finishes and hardware configurations. Supports both standard and custom-sized projects requiring high-performance glass materials.
Questions
What makes Capitol Glass windows suitable for Alaska's climate?
Our windows feature reinforced frames, rubber gaskets, and foam spacers designed to withstand 165 mph winds and subzero temperatures while maintaining superior insulation.
Are Capitol Glass products energy-efficient?
Yes, our triple- and quad-pane windows achieve R-values up to R8.33, with U-factors as low as .12, significantly reducing heating costs in cold climates.
Do you offer custom window and door solutions?
We provide fully customizable windows and doors, including specialty shapes, multiple glass options, and finish selections to match architectural requirements.
What certifications does Capitol Glass hold?
We are Alaska's only National Fenestration Rating Council (NFRC) certified manufacturer, with independently tested products meeting strict performance standards.
How quickly can I receive my glass order?
Most orders ship within two days, with local installation teams available for fast project completion across Alaska.
