Business Details
39 Years
experience
Durable Retaining Wall Systems in Carlsbad, CA
Founded in 1987, Soil Retention has established itself as an industry leader in innovative concrete solutions. Our founder, Jan Janssen, brings over six decades of construction expertise, having started his career in carpentry and engineering before launching our company in California. We specialize in developing durable, plantable retaining wall systems that address diverse market needs. Our flagship product, Verdura, revolutionized the industry as the strongest Mechanically Stabilized Earth (MSE) retaining wall system, earning Caltrans approval. We expanded our offerings to include Drivable Grass, a permeable pavement solution for commercial applications, and Enviroflex, an articulating concrete block revetment system.With over 35 years of operational experience, our team combines technical expertise with practical problem-solving capabilities. We maintain rigorous quality standards while prioritizing environmental sustainability through permeable surface solutions. Our proven track record includes successful installations across California, from small garden walls to large-scale infrastructure projects. As a family-owned business, we remain committed to delivering innovative, code-compliant products that exceed client expectations.
Services
Verdura Retaining Wall
Drivable Grass System
Enviroflex Revetment
Concrete Erosion Control
Permeable Pavement Installation
Details
- Year established: 1987
Highlights and features
- 60+ years combined experience in concrete engineering solutions
- Patented Verdura retaining wall system with Caltrans approval
- Specialized permeable pavement systems for stormwater management
- Proven track record in commercial and infrastructure projects
- Family-owned with personalized client service approach
Associations and certifications
- Caltrans
What people say
Durable systems
Effective erosion control
Caltrans approved
Environmentally friendly
Professional installation
Services
Verdura Retaining Wall
Our Verdura system combines structural integrity with vegetation integration for permanent erosion control. This Mechanically Stabilized Earth (MSE) solution supports vertical growth while maintaining load-bearing capacity. Ideal for commercial developments and infrastructure projects requiring Caltrans-approved retaining solutions.
Drivable Grass System
This permeable concrete system allows vegetation growth through load-bearing surfaces. Designed for fire lanes, parking areas, and bioswales, it manages stormwater runoff while maintaining aesthetic appeal. Suitable for both commercial and residential applications needing sustainable pavement solutions.
Enviroflex Revetment
Our Enviroflex system features interlocking concrete blocks for channel protection and wetland crossings. The flexible design accommodates ground movement while preventing erosion. Perfect for culvert outlets and waterway stabilization projects requiring durable, vegetation-friendly solutions.
People
Jan Janssen
Founder
With over 60 years in construction, Jan transitioned from carpentry to engineering before establishing Soil Retention in 1987. He developed the patented Verdura system after identifying market gaps in plantable retaining walls.
Questions
What makes Verdura different from traditional retaining walls?
Verdura combines structural strength with plantable cells for vegetation integration, offering superior erosion control while maintaining aesthetic appeal through living greenery.
Is Drivable Grass suitable for heavy commercial use?
Yes, our permeable pavement system handles fire lanes, delivery areas, and parking lots while maintaining vegetation and managing stormwater runoff effectively.
Do you offer Caltrans-approved solutions?
Our Verdura retaining wall system is Caltrans-approved for highway projects, meeting rigorous standards for durability and structural integrity in California infrastructure applications.
What geographic areas do you serve?
While based in Carlsbad, CA, we provide solutions across California for commercial, municipal, and residential projects requiring sustainable erosion control systems.
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