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Business Details
50+ Years
experience
Your Trusted Source for Concrete Building Solutions
St. Vrain Block has been a family-owned and operated concrete manufacturing business since 1946. Our commitment to quality is demonstrated through rigorous adherence to ASTM specifications, ensuring all products meet exacting standards. We source raw materials exclusively from top-tier producers, including aggregates, cement, and colorants, to maintain consistency and durability. Our team of experts provides technical support and installation guidance for both large-scale contractors and DIY homeowners. With a 35-acre manufacturing facility in Weld County, Colorado, we maintain extensive inventories of structural block, retaining wall systems, and decorative concrete products.

Our reputation is built on decades of delivering products that exceed specifications for national contract manufacturing clients. We offer a retail yard for direct customer access to our full product line, complemented by personalized project planning assistance. Our staff undergoes continuous training to ensure operational excellence, while our equipment receives regular maintenance to guarantee production reliability. We provide quantity estimates, product brochures, and installation resources to support successful project completion. Our business hours and delivery arrangements are designed to accommodate seasonal demand fluctuations while maintaining service quality.
Services
Patio Stones Retaining Walls Paver Systems Structural Block Decorative Edging Quantity Estimation Installation Guidance Product Delivery Contract Manufacturing Technical Support
Details
  • Year established: 1946
Highlights and features
  • Family-owned since 1946 with deep industry expertise
  • ASTM-certified products guarantee quality compliance
  • Largest selection of concrete products in Colorado
  • Technical support for professional contractors and DIYers
  • 35-acre facility ensures consistent product availability
Associations and certifications
  • ASTM International
Services
Retaining Wall Systems
Our retaining wall systems combine structural integrity with aesthetic appeal. Available in multiple designs including Pyzique and Cuesta blocks, these systems provide durable solutions for grade separation and erosion control. Each unit meets ASTM standards for load-bearing capacity while offering versatile design options for residential and commercial applications.
Patio Stones
We offer a comprehensive selection of patio stones in various shapes and finishes. From classic rectangles to decorative hexagonal patterns, our stones meet ASTM specifications for durability. The exposed aggregate options provide slip-resistant surfaces ideal for outdoor living spaces while maintaining dimensional accuracy for seamless installation.
Structural Block
Our structural block line includes full, half, and specialty units for commercial construction projects. Manufactured to strict tolerances, these blocks ensure proper load distribution in foundation and wall applications. The product line includes screen blocks and surface soil retention units for specialized engineering requirements.
Contract Manufacturing
We provide contract manufacturing services for national companies requiring specialized concrete products. Our facility produces custom block configurations that exceed specified requirements while maintaining strict quality control. This service ensures consistency across large-scale projects through dedicated production scheduling and material traceability.
DIY Support
For weekend warriors, we offer comprehensive DIY support including product selection guidance and installation resources. Our staff provides quantity estimates based on project measurements, while downloadable installation guides cover retaining walls and patio construction. The retail yard allows direct product inspection before purchase decisions.
Questions
What concrete products do you manufacture?
We produce structural block, retaining wall systems, patio stones, pavers, decorative edging, and specialty units like solar ballast blocks.
Do you sell directly to homeowners?
Yes, we operate a retail yard for DIY customers while also serving contractors and distributors.
Are your products ASTM certified?
All products meet ASTM International standards through regular testing and quality control processes.
What are your business hours?
Summer hours: Mon-Fri 7am-4pm, Sat 9am-1pm. Winter hours: Mon-Fri 7:30am-3:30pm.
Do you offer delivery services?
Delivery arrangements depend on product availability, order quantity, and destination location.
Can I return unused products?
Returns are accepted within 90 days with receipt, subject to restocking fees and condition requirements.