Thermalite 355mm (440x215mm) Trenchblock T&G 3.6N

Thermalite 355mm 3.6N (440x215mm) Block Trenchblock Tongue and Groove

Alternative to the construction of cavity walls with concrete infill, engineering bricks or large aggregate blocks for foundations. 

• Size 215mm x 440mm x 355mm


• Tongue and groove joints with handholds for easy handling


• Suitable for thin joint masonry, reducing installation time and costImproves thermal performance


• There building blocks can be used in thin joint masonry, saving time and money


• These block has a Moisture resistanc

Specification of Trench block 3.6N Tongue and Groove:

• Compressive Strength: 3.6 N/mm²


• Thermal Conductivity (λ): Above DPC: 0.15 W/m.K | Below Ground: 0.24 W/m.K


• Dry Density: 600 kg/m³


• Face Dimensions: 440 x 215 mm