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440mm x 215mm x 355mm Thermalite T&G Trench Block 3.6N (Grab Pack of 15)
Product code: B020521
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Description
Thermalite Trenchblock is a tried and tested, economical alternative to the construction of cavity walls with concrete infill, engineering bricks or heavy aggregate blocks for foundations.
Features:
- For use in soils of up to Design Sulfate Class DS 4
- Available with tongue & groove joints & handholds
- Improves thermal performance
- Eliminates the need to mortar perpends
Applications:
- Foundations
Face Dimension:
440mm x 215mm
Block Thickness:
355mm
Block Weight:
20.8kg
Strength:
3.6N/mm²
Thermal Conductivity:
0.15W/m.K (Above DPC), 0.24W/m.K (Below Ground)
Density:
600kg/m³