TRENCHBLOCK T&G 355MM 440 × 215 3.6N GRAB 15PK
The Thermalite Aircrete Trenchblock 3.6 Tongue & Groove is a lightweight yet high-strength foundation block engineered for use below ground level. Designed to deliver reliable load-bearing performance, it also helps reduce heat loss at the base of walls, supporting more energy-efficient construction.
Its tongue and groove edges enable fast, accurate installation with minimal mortar, making it an excellent choice for both residential and commercial foundation projects.
Product Features / Specifications
- Tongue & Groove profile for accurate alignment
- Lightweight aircrete construction
- High load-bearing capacity
- Excellent thermal insulation properties
- Designed for trench fill and foundation use
- Supplied in grab packs of 15 blocks
Product Benefits
Faster Installation: Tongue and groove joints eliminate the need for vertical mortar joints (perpends), reducing laying time and material usage.
High Performance: Offers excellent thermal insulation, helping to reduce heat loss and lower CO₂ emissions throughout the building’s lifespan.
Versatile Construction Solution: Suitable for cavity wall replacement, reducing the requirement for wall ties and additional concrete.
Structural Reliability: Manufactured to a compressive strength of 3.6N/mm², providing dependable support for load-bearing walls.
Ease of Handling: Built-in handholds improve on-site handling, making installation quicker and safer.
Applications and Versatility
- Foundation and trench fill applications
- Load-bearing wall construction
- Residential housing projects
- Commercial and industrial builds
- Energy-efficient building designs
- Lightweight construction ensures easy handling on site, while thermal insulation performance supports improved building efficiency. The tongue and groove design allows for quick alignment and reduced mortar use.
Features & Benefits List
- Lightweight yet strong aircrete block
- Tongue & Groove system for faster build times
- Reduces mortar consumption
- Improves thermal efficiency at ground level
- Easy to handle with integrated handholds
- Ideal for modern foundation construction
Technical Specifications
- Compressive Strength: 3.6N/mm²
- Block Type: Aircrete Trenchblock
- Profile: Tongue & Groove
- Dimensions (Face): 440mm × 215mm
- Width: 355mm
- Pack Quantity: 15 blocks
- Use: Below ground / foundation applications
Additional Information:
We offer convenient and flexible delivery options to suit every project:
Van delivery for smaller orders - HIAB crane lorry for larger or bulk deliveries - Site delivery available on request
If you need delivery before the estimated date, please contact us and we’ll do our best to arrange an earlier slot.
For more information, please contact either
Oldham on 0161 633 1264
Agecroft on 0161 383 6400
Rochdale on 01706 656 980
Or email us at [email protected]