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Thermalite 300mm 3.6N Trench Blocks – Tongue and Groove | SB Building Supplies

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£5.95 + VAT

Thermalite 300mm 3.6N Trench Blocks with tongue and groove joints offer an efficient alternative to traditional cavity walls with concrete infill or heavy aggregate blocks. Ideal for foundation applications.

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The Thermalite 300mm 3.6N Trench Blocks are a highly effective solution for foundation construction, replacing the need for cavity walls with concrete infill, engineering bricks, or heavy aggregate blocks. Featuring tongue and groove joints with built-in handholds, these trench blocks are easier to handle and install, making them ideal for achieving superior thermal performance. Available in both standard and Hi-Strength (7.3N/mm²) variants, they are moisture-resistant and suitable for use in thin joint masonry, reducing both time and costs. The design eliminates the need for mortar on perp ends, simplifying installation.

Key Benefits:

  • Improves thermal performance for energy-efficient building
  • Available with tongue and groove joints and handholds for easy handling
  • Ideal for thin joint masonry, saving installation time and money
  • Removes the need for mortar on perp ends
  • Moisture resistant for long-lasting durability

Specification:

  • Compressive Strength: 3.6 N/mm²
  • Thermal Conductivity (λ): Above DPC: 0.15 W/m.K | Below Ground: 0.24 W/m.K
  • Dry Density: 600 kg/m³
  • Face Dimensions: 440 x 215 mm

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Thermalite 300mm 3.6N Trench Blocks – Tongue and Groove | SB Building Supplies
£5.95 + VAT
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