windows
Windows aren’t just a design feature—they play a major role in energy efficiency, natural light, and how a space feels day to day. At Spearfish Building Supply, we help builders, remodelers, and homeowners find window solutions that hold up to South Dakota’s shifting weather while delivering on style and performance. With trusted brands, a range of material and style options, and knowledgeable local support, we’ll make sure your windows do more than just fit—they perform.
We offer a wide variety of shapes, sizes, finishes, and glass types—including Low-E and high-performance insulated options—to improve both the look and performance of your space.
Our products
Wood
Wood windows offer natural beauty and excellent insulation. They’re a classic choice for homeowners who want warmth, durability, and timeless appeal.
Wood-Vinyl Clad
Combining a wood interior with a vinyl exterior, these windows deliver style and strength. They resist warping, rotting, and expansion—perfect for low-maintenance living.
Vinyl
Vinyl windows are affordable, energy-efficient, and virtually maintenance-free. Available in multiple styles and finishes, they’re a great choice for any home.
Fiberglass
Known for strength and insulation, fiberglass windows are built to perform in extreme conditions. They won’t warp, rot, crack, or fade—delivering long-lasting reliability.
Aluminum
Aluminum windows feature slim profiles and a clean, modern aesthetic. They’re tough enough to handle harsh weather while offering low-maintenance durability.
Wood-Aluminum Clad
These hybrid windows feature a wood interior with a weather-resistant aluminum exterior—giving you the best of both worlds: warmth inside, protection outside.
Window Styles We Offer
From modern picture windows to traditional double-hungs, we supply every common window style, plus custom options for unique builds.
Double-Hung & Single-Hung
Casement & Awning Windows
Sliding & Gliding Windows
Bay & Bow Windows
Picture Windows & Fixed Units
Custom Shapes & Grids
Window Brands We Trust
At Spearfish Building Supply, we only carry windows we’d trust in our own homes and projects. That’s why we partner with leading manufacturers like:
Marvin
- Sierra Pacific
- Geeking
Our staff can walk you through the differences between each brand and product line, ensuring your window package aligns with performance requirements, design goals, and your budget.
Full Window Packages + Delivery Available
We make it easy to get the right windows, right when you need them:
Detailed takeoffs and material estimating
Jobsite delivery across the Black Hills region
Custom ordering for specialty sizes and finishes
In-house support throughout your project timeline