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Photograph of 440mm x 215mm x 355mm Thermalite T&G Trench Block 3.6N (Grab Pack of 15)
  • Further photograph of 440mm x 215mm x 355mm Thermalite T&G Trench Block 3.6N (Grab Pack of 15)
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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/mm?

Thermal Conductivity:

0.15W/m.K (Above DPC), 0.24W/m.K (Below Ground)

Density:

600kg/m?

Specifications
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Compressive strength : 3.6N/mm?
Height : 355mm
Length : 440mm
Width : 215mm