Business Details
50+ Years
experience
Custom Windows and Doors in Seattle
Windorco Supply Inc. has been a family-owned and operated business since 1961, dedicated to providing high-quality windows and doors to the Puget Sound region and beyond. Our expertise in manufacturing solid Douglas-Fir wood windows and welded aluminum windows in-house ensures exceptional craftsmanship and competitive pricing. We specialize in serving general contractors, homeowners, and property managers with custom solutions for new construction and replacement projects. Our commitment to quality extends to installation, using premium materials and trained professionals to minimize service calls and maximize customer satisfaction.With over six decades of experience, we have built a reputation for reliability, transparency, and personalized service, prioritizing repeat customers and referrals over aggressive sales tactics. Our focus on energy-efficient products, including top-tier vinyl windows with lifetime warranties, reflects our dedication to meeting diverse client needs while maintaining industry-leading standards.
Services
Window Installation
Insulated Glass Fabrication
Storm Windows
Sliding Glass Doors
Skylights
Window Millwork Sales
Details
- Year established: 1961
Highlights and features
- Family-owned since 1961 with three generations of expertise in window manufacturing.
- In-house production of Douglas-Fir wood and aluminum windows ensures quality control.
- Trained installers prioritize precision and customer satisfaction over subcontractor work.
- Energy-efficient products include lifetime-warranty vinyl windows and insulated glass units.
- Served Puget Sound, Alaska, Hawaii, and international markets with tailored solutions.
What people say
Professional service
No leaks after repair
Great job
Exceeded expectations
Prompt installation
Services
Window Installation
Professional window installation using trained, in-house teams ensures precise fitting and durability. We handle projects from single replacements to full-home installations, prioritizing energy efficiency and aesthetic continuity. Our process includes debris removal and post-installation cleaning for minimal disruption.
Insulated Glass Fabrication
Custom insulated glass units with Low-E coatings, argon gas, and decorative grids are crafted for longevity. We use premium sealants and desiccants to prevent fogging, offering options like tempered glass and simulated wood divisions for residential and commercial applications.
Storm Windows
Durable wood and aluminum storm windows enhance energy efficiency and durability. Wood models feature pre-primed frames and foam gaskets, while aluminum options offer sliding functionality and corrosion-resistant finishes for long-term outdoor performance.
Sliding Glass Doors
Custom aluminum or vinyl sliding glass doors with adjustable steel wheels and weather-stripping. Available in half-slider, three-lite, and four-lite configurations up to 12 feet wide, including keyed locks and removable screens for security and ventilation.
Skylights
Curb-mounted skylights in aluminum or aluminum/vinyl frames with welded corners and safety glass. Options include fixed, operable, and acrylic dome styles, paired with insect screens for improved natural lighting in residential and commercial spaces.
Questions
What types of windows do you manufacture?
We produce solid Douglas-Fir wood, vinyl, and welded aluminum windows with customizable styles and energy-efficient features.
Do you offer installation services?
Yes, our trained professionals handle installations for wood, vinyl, and aluminum windows with minimal disruption.
Are your vinyl windows energy-efficient?
Our vinyl windows feature Low-E glass, argon gas, and lifetime warranties for optimal energy efficiency.
Can you replace old wood windows?
We specialize in replicating historic wood windows for seamless replacements in older homes.
Do you sell materials for DIY projects?
Yes, we provide insulated glass units, glazing tapes, and trim materials for contractor and homeowner use.
What areas do you serve?
We serve the Pacific Northwest, Alaska, Hawaii, and international locations like Russia.
