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The Thermalite Trench Block T&G 400 x 215 x 300mm 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.
Stock is confirmed once you reserve your order
