- Window Restoration & Energy Upgrade Products
Preservation-Grade Window Restoration Products for Historic Buildings
Three specialized products. One trusted source. Fabricated by the team behind some of the most complex restoration projects in the country.
Designed to preserve architectural integrity, sightlines and original window profiles while delivering the energy performance, durability and code-compliance upgrades required for historic buildings.
Trusted by architects, contractors, and preservation teams on projects including Timberline Lodge, Crater Lake Lodge, Fort Yellowstone at Yellowstone National Park, and the University of Oregon.
Products Trusted By
- Our Products
Three Solutions. One Preservation Philosophy.
Historic buildings deserve products developed by people who actually work on them. Every product we fabricate comes from more than two decades of hands-on restoration experience — designed to perform without compromising the architectural integrity of what was built to last.
01
Historic Wood Storm Windows
Architectural-grade, fully reversible wood storm windows engineered to preservation standards.
02
Slim Line Insulating Pane
A low-profile pane that converts single-pane windows to simulate double-pane performance year-round — without altering the original sash.
03
Custom Replacement Sash
Handcrafted vertical grain fir sash duplicated to vintage specifications, with modern energy performance options.
- Who We Are
Products Developed from Hands-On Restoration Experience
For more than 25 years, Chosen Wood Window Maintenance has restored historic wood windows throughout the Pacific Northwest and across the country. Drawing on decades of hands-on preservation experience, we provide specialized restoration products, replacement components and performance upgrades designed to meet the unique requirements of historic buildings -- whether installed on site, fabricated in our restoration facility or shipped directly to your project.
Our work includes some of the most high-profile landmarks in the country — Timberline Lodge, Crater Lake Lodge, and Fort Yellowstone, the national historic landmark where the policies that shaped the modern National Park Service were developed. That experience didn't just inform our restoration work, it shaped every product we fabricate. Each one was developed in response to real project challenges, the need for reversibility, preservation compliance, thermal performance, and the visual accuracy required by architects and preservation boards.
- our Value
Why Contractors and
Specifiers Choose Us
Preservation Compliant
All products are designed to comply with the Secretary of the Interior's Standards for the Treatment of Historic Properties. No adhesives, no permanent alterations, no compromise.
Fabricated to Specification
Every order is custom and fabricated to measurements that match original architectural standards. Sash are duplicated to replicate vintage profiles. Insulating panes are built to meet energy objectives while maintaining the sightlines of the original window. Nothing is off-the-shelf.
Developed From the Field
Our products were designed with informed experience. They evolved from work executed on active historic restoration projects — tested against preservation board scrutiny and real building conditions.
- testimonials
What Project Teams Say
- our gallery
Projects & Gallery
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You're Working On?
Whether you're in early planning or ready to move forward, we can help determine the right approach and product for your building.