Thermalite Trenchblock Tongue and Groove is an alternative to the construction of cavity walls with concrete infill, engineering bricks or heavy aggregate blocks for foundations. It is available as Hi-Strength Trenchblock (with compressive strength of 7.3N/mm2) and with tongue and groove joints and handholds for easy handling.
Benefits
Improves thermal performance
Available in standard or with tongue and groove joints and handholds
Can be used in thin joint masonry, saving time and money
Removes the need to mortar perp ends
Moisture resistance
Applications: Foundations
Thermalite T&G Trenchblock 3.6N Block 300mm
PRODUCT INFO
Specification Key Data:
Compressive Strength: 3.6 N/mm2
Design above dpc: 0.15 W/m.K Below ground: 0.24 W/m.K
Dry Density: 600 kg/m2
Working Dimensions 215mm x 440mm x 300mm
Dry Weight 17.5kg