
OUR STORY
Window & Door Specialists
Tell us about your project and we'll deliver a complete specification and itemized quote — no commitments required.
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"We don't just sell windows and doors — we spec them. Every project gets the same attention whether it's a single entry door or a 40-unit commercial build."
— Steelsen Windows & Doors, Boise

HOW WE STARTED
Precision Supply,
Idaho Roots
Steelsen was founded on one observation: the best builders were spending time and energy sourcing out of state to find the windows and doors their projects deserved. We built Steelsen to change that — bringing specification-grade product selection, honest lead times, and real product knowledge to every project we touch.
Today we work with homeowners on single-family builds, architects on multi-family developments, and general contractors on commercial projects across the country. Every order gets a spec sheet and an itemized quote — no surprises.
Specification First
We don't hand you a catalog. We review your plans, ask the right questions, and recommend the products that actually fit your project — dimensionally, thermally, and aesthetically.
Deep Product Range
From entry-level vinyl to architectural aluminum-clad wood, we source and spec across multiple supplier relationships — bringing you the right product for the project. One contact, one quote, every product.
7-day Quotes
Send us your project details and we'll have a complete spec sheet and itemized quote in your inbox within a week. No chasing, no vague estimates.
Climate & Code Knowledge
We understand how climate zones, local code requirements, and installer preferences shape the right product recommendation — and we factor all of it in before we spec a single unit.
Honest Lead Times
Most custom orders deliver in 10–12 weeks from confirmed spec. Typically 1–2 weeks for drawings, 4–5 weeks production, and 4–5 weeks shipping. We confirm your exact timeline before you commit.
Builder & Contractor Ready
Volume pricing, phased delivery, and dedicated project coordination for GCs and multi-unit developers. We work the way you work.
Our Approach
Why Contractors &
Homeowners Choose Us
SERVICE AREAS
Serving the Treasure Valley & Beyond
Based in Boise, Idaho, we supply projects across the Treasure Valley and surrounding region. We work with clients from the planning phase through delivery — wherever the build is.