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27 Years
experience
Patented Lightweight Concrete Products for Construction & Landscaping
Founded in 1999, Substiwood has pioneered the development of patented fiber-reinforced lightweight concrete products that serve as durable alternatives to wood and conventional concrete. Our innovative materials combine exceptional strength with reduced weight, enabling versatile applications in residential and commercial construction, landscaping, and infrastructure projects. Designed to be nailable, sawable, and shatter-resistant, our products offer superior mechanical properties while maintaining cost-effectiveness. Over 40% of our materials are recycled, reflecting our commitment to sustainability without compromising performance. Recognized with the 2005 Wisconsin Governors New Product Award, our technology has redefined concretes role in modern construction.

Our team leverages decades of expertise to create fire-resistant, termite-proof solutions that integrate seamlessly into diverse architectural designs. From parking blocks to decorative facades and indoor furniture, we prioritize ease of installation and long-term durability. By combining advanced engineering with environmental responsibility, we empower clients to achieve both functional and aesthetic goals. Our Milwaukee-based operations support nationwide distribution, ensuring accessible, high-performance building materials tailored to evolving industry needs.
Services
Parking Blocks Lawn Edging Corbels Roof Pavers Retaining Blocks Decorative Facades Pool Coping Transformer Pads Countertops Fireplace Mantels
Details
  • Year established: 1999
Highlights and features
  • We have over 20 years of experience in concrete innovation since 1999.
  • Our patented fiber-reinforced technology revolutionizes lightweight concrete applications.
  • Products contain over 40% recycled materials for sustainable construction.
  • Fire and termite-resistant solutions ensure long-term durability.
  • Versatile applications for residential, commercial, and infrastructure projects.
Services
Parking Blocks
Our lightweight concrete parking blocks and sign bases combine durability with unique design elements. Easy to install and resistant to weathering, these products ensure long-term functionality for commercial parking spaces. The innovative planter-sign base design enhances both safety and aesthetic appeal in urban environments.
Lawn Edging
Decorative rope-top and brick-pattern lawn edging solutions add elegance to gardens and outdoor spaces. These durable, low-maintenance edging products resist cracking and shifting, providing clean boundaries for landscaped areas. Their lightweight nature simplifies installation compared to traditional materials.
Retaining Blocks
Interlocking retaining blocks featuring base, main, and cap components create stable, aesthetically pleasing garden walls. The system allows for flexible design configurations while maintaining structural integrity. Lightweight construction reduces transportation and installation costs compared to traditional concrete systems.
Decorative Facades
Lightweight concrete building blocks enhance structural exteriors with various patterns and textures. These non-combustible, termite-resistant elements offer architectural versatility for commercial and residential developments. The material maintains concrete's durability while reducing overall structural load requirements.
Pool Coping
Aesthetic pool coping solutions combine slip-resistant surfaces with decorative finishes. Designed for durability in wet environments, these lightweight edges withstand chemical exposure and temperature fluctuations. The material's workability allows for customized shapes and seamless integration with various pool designs.
Questions
What are Substiwood's core product offerings?
We specialize in patented lightweight concrete products for construction and landscaping, including parking blocks, lawn edging, retaining walls, decorative facades, pool coping, and architectural elements.
How do your products differ from traditional concrete?
Our fiber-reinforced concrete is half the weight of standard concrete, shatter-resistant, and fully sawable/nailable while maintaining structural strength and durability.
Can products be customized for specific projects?
We offer standard and custom sizes, colors, and patterns. Our retaining block system allows flexible design configurations for landscaping and structural applications.
Are the materials environmentally friendly?
Yes, our products contain over 40% recycled materials and reduce transportation emissions due to their lighter weight compared to conventional concrete.
What maintenance requirements do your products have?
Our non-combustible, termite-proof materials require minimal maintenance. Most products resist weathering, cracking, and chemical damage without special treatments.