Strong, Efficient, and Easy to Install Below-Ground Solution
The Thermalite Hi-Strength 7 Tongue & Groove Aircrete Trenchblock offers robust strength and thermal efficiency for foundation and below-ground construction. Its precision tongue & groove design ensures quick, secure fitting with less mortar, speeding up installation and improving build quality.
Features:
- High compressive strength of 7.3N/mm² for durable foundations
- Tongue & groove joints for tight interlocking and reduced mortar use
- Excellent thermal and sound insulation for energy-efficient, quiet buildings
- Lightweight for easier handling and faster site work
- Fire-resistant to meet safety standards
- Eco-friendly, reducing CO₂ emissions over the building’s lifetime
Perfect For:
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Below-ground construction and trench foundations
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Residential and commercial building projects requiring strong, insulated foundations
Why Choose Thermalite Hi-Strength Tongue & Groove Trenchblocks?
They combine strength, sustainability, and fast installation for a reliable foundation solution that supports energy efficiency and safety.