Family Owned
Building on a foundation of multi-generational trust and integrity.
Reliable
On-time scheduling and consistent results.
Free Estimates
Clear pricing before the first line is drawn.
Advanced materials. Engineered for Montana Climate.
Legacy Building Products is a Montana-based supplier of advanced construction materials engineered for durability, performance, and long-term value. We provide modern exterior, structural, and insulation systems designed to meet the demands of cold climates, harsh environments, and long service lives. We provide exterior siding, roofing, structural and insulation systems and windows and doors.
Our focus is simple: materials that perform better, last longer, and reduce long-term maintenance and replacement costs.
About Legacy Building Products
Legacy Building Products was established to bring high-performance building materials to Montana’s construction industry — materials selected for real-world durability, not short-term trends.
Montana’s climate places unique demands on the buildings we construct. Freeze-thaw cycles, moisture exposure, fire risk, and rising labor costs expose the limitations of many traditional materials. Legacy Building Products exists to offer modern alternatives that address those challenges while remaining practical, supportable, and code-conscious.
We work directly with manufacturers to supply builders, developers, architects, and engineers with materials designed for long-term performance. Our approach prioritizes lifecycle value, buildability, and documentation — helping professionals make informed material decisions with confidence.

Aluminum Exterior Systems

Engineered aluminum siding and exterior components designed to outperform traditional cladding systems in harsh environments. Aluminum provides long-term durability, fire resistance, and reduced maintenance while supporting modern architectural design.
Amish-Made Corrugated Steel Siding & Roofing

Precision-crafted steel panels produced with consistent quality and attention to detail. These systems offer strength, longevity, and proven performance for residential, agricultural, and commercial applications.
Geopolymer (Ceramic) Concrete

A modern alternative to Portland cement concrete, engineered for ultra-high strength, non-porous performance, and long-term durability. Geopolymer concrete is well suited for applications where resistance to moisture, freeze-thaw cycles, and environmental stress is critical. Final applications are determined in coordination with engineering and code requirements.
Cell Spray Foam Insulation

High-performance insulation systems designed to improve energy efficiency, moisture control, and overall building envelope performance. Cell spray foam supports long-term thermal stability and helps reduce operating costs over time.
Talk with an Expert

What We Offer Montana
Elevate Your Curb Appeal
- Materials engineered for cold climates and demanding environments
- Modern alternatives to traditional construction products
- Reduced long-term maintenance and lifecycle costs
- Manufacturer documentation and product support
- Practical solutions that integrate into real-world construction workflows
We believe building materials should be designed for how and where we actually build in Montana.
The Legacy Difference
- Performance-Driven Selection: Every product we supply is selected based on durability, performance, and long-term value — not marketing trends.
- Long-Term Perspective: We focus on lifecycle performance, helping reduce callbacks, repairs, and premature replacement.
- Builder-Focused Approach: Our materials are chosen to be practical, supportable, and compatible with professional construction standards.
- Direct Manufacturer Relationships: Working directly with manufacturers allows us to provide accurate information, transparent pricing, and consistent supply.
- Montana-Based Distribution: We are committed to serving Montana builders with materials suited for regional conditions and expectations.

How We Work With Builders
Your Trusted Regional Partner
- Project discussion and material fit
- Product selection and documentation review
- Engineering coordination when required
- Quoting and lead time confirmation
- Delivery or installer coordination
Our goal is to make advanced materials accessible without adding unnecessary complexity.







