Thermalite Aircrete Trenchblock 3.6 Tongue and Groove

Benefits of Thermalite Aircrete Trenchblock 3.6 Tongue and Groove

Thermalite aircrete blocks provide a cost-effective solution for below-ground construction. A closed micro-cellular structure, that features tiny pockets of trapped air, gives Thermalite its distinctive features: high thermal and sound insulation, lightness for handling, high compressive strength and fire resistance. Thermalite’s excellent thermal insulation properties make U-value targets easier to achieve and can help reduce the CO2 emissions during a building’s life.

Thermalite Aircrete Trenchblock 3.6 Tongue and Groove specifications

Height Length Width Weight *
215mm 440mm 255mm 19.3kg
215mm 440mm 300mm 22.7kg
215mm 440mm 355mm 26.9kg

Key data

Compressive Strength 3.6 N/mm²
Dry Density 600 kg/m³
λ Below ground 0.24 W/m.K
Working Dimensions

Face dimensions (mm) : 440 x 215, 440 x 140**
* Weight : Based on the block gross density + 50Kg/m³ at a typical moisture content of 23% (typical received), moisture equilibrium approximately 3% (protected) and 5% (exposed).
** All 140mm high trenchblocks : are supplied without hand holds and
tongue & grooves - they have flat ends.

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