Reliable Building Components Designed for Every Construction Project
Roof Trusses
At Spearfish Building Supply, we understand that the construction industry is constantly evolving. That’s why we continually adopt advanced design and manufacturing techniques to deliver exceptional results for every project. Our commitment to innovation ensures your building components are crafted with accuracy, durability, and efficiency in mind.
Our comprehensive offerings include:
Custom design and fabrication tailored precisely to your project specifications
A broad selection of truss types, including Common, Hip, Attic, Scissor, and more
Trusses engineered up to 14 feet in height before requiring pig tops
Sheathed gables that enhance structural strength and simplify installation
Hip caps designed for dropped-down hip ends to ensure seamless fit
Valley trusses customized to meet the unique demands of your build
With Spearfish Building Supply, you gain access to expertly engineered components that meet local codes and support efficient, high-quality construction from start to finish.
Floor Trusses
We know every project has its own needs—whether you’re building a large commercial space or your dream home. That’s why our engineered floor systems are built strong and designed to work efficiently for you. Using wood webbed floor trusses, steel beams, and other engineered wood products, we provide solutions that make construction smoother and more reliable.
Here’s what you can expect from our floor trusses:
Wood webbed trusses up to 24 inches deep and as long as 40 feet, ready to span your space
Built-in mechanical chases that make it easier to run plumbing, electrical, or HVAC without extra cutting
Webs lined up thoughtfully to give you easy access when you need it
Stair openings designed right into the floor system, so everything fits just right
We combine local know-how with quality materials and smart design, helping builders, contractors, and homeowners get their floors done right the first time.
Wall Panels
Getting your framing right is crucial to keeping your project on track. That’s why our wall panels are crafted from premium engineered lumber, designed to fit your exact specifications and built to stand the test of time. No matter the size or scope of your build, our wall panels help you frame faster, smarter, and more efficiently.
Here’s what we offer to support your project:
Interior and exterior wall panels tailored to your needs
A variety of sheathing options to match your build requirements
Custom wall sheathing built to your exact specifications
Framing lumber available in multiple sizes: 2×4, 2×6, 2×8, 2×10, and 2×12
Options for raked walls and tall walls to fit unique designs
Detailed shop drawings available upon request to ensure accuracy
With Spearfish Building Supply, you’re not just getting quality materials — you’re getting a local partner who understands your project and is committed to helping you build it right.
Our Designers
Our in-house design team works directly with contractors, builders, and homeowners to create accurate, build-ready plans for roof and floor truss systems. Our designers use industry-standard software to deliver efficient layouts that meet structural requirements and project goals. Whether you’re working with traditional framing or engineered components, we take the time to understand your project and deliver precise, cost-effective solutions that keep your build on track. From initial concept to final delivery, you’ll have local experts guiding your structural design every step of the way.