Hi-Strength Trenchblocks

VARIATIONS
T&G 215mm x 440mm x 300mm - 7.3N: Pack size 20 per pack
T&G 215mm x 440mm x 355mm - 3.6N: Pack size 15 per pack
T&G 215mm x 440mm x 355mm - 7.3N: Pack size 15 per pack

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.

For use in soils of up to Design Sulfate Class DS 4

Available with tongue and groove joints and handholds

Improves thermal performance

Eliminates the need to mortar perpends

Applications: Foundations

Technical data

• λ Design above dpc: 0.18 W/m.K
• λ Below ground: 0.29 W/m.K
• Dry Density: 730 kg/m³
• Properties: Mean compressive strength not less than 3.6N/mm2
• Design thermal conductivity (λ) 0.15W/m.K (above dpc), 0.24W/m.K (below ground)
• Dry thermal conductivity value: (λ10,dry, unit) 0.13W/m.K
• Specified gross dry density 600kg/m3