OBA 7n Concrete Trench Blocks – Strong, Sustainable Foundation Solutions
OBA 7n Concrete Trench Blocks are designed to provide durable, fire-resistant, and eco-friendly foundations for residential and commercial projects. Sized at 300mm wide, they perfectly suit 100mm inner and outer leaves with a 100mm cavity, offering a reliable trench foundation setup.
Features:
- Creates stable 100mm cavities in trench foundations
- Fire-resistant and sound-insulating for safety and comfort
- Strong 7 N/mm² compressive strength for lasting durability
- Made from 97% recycled aggregates for sustainability
- Manufactured to British Standards for quality assurance
- Block size: 350mm x 300mm x 100mm
Perfect For:
- Residential and commercial foundation systems
- Builders seeking eco-friendly, high-performance blocks
- Projects needing compliant, long-lasting trench foundations
Why Choose OBA 7n Trench Blocks?
These blocks combine strength, sustainability, and compliance to deliver a solid, sound-insulated foundation you can trust.