100mm Medium Dense 7N Concrete Block

100mm Medium Dense 7N Concrete Block

£2.76 inc. VAT. (£2.30 ex. VAT.)

A versatile 100mm Medium Dense Concrete Block designed for a wide range of load-bearing applications. Combining high strength (7.3N/mm²) with a lighter weight than standard dense blocks, it provides a durable, secure base for fixings and excellent fire and acoustic performance in both internal and external walls.

SKU: H00003246 Categories: , ,

Description

Our 100mm Medium Dense Concrete Blocks are the ideal solution for builders seeking a balance between structural integrity and ease of handling. Manufactured to BS EN 771-3 using high-quality aggregates, these blocks are significantly lighter than solid dense units, reducing laying time and manual handling fatigue without compromising on strength.

With a compressive strength of 7.3N/mm², they are suitable for almost all standard applications, including the inner and outer leaves of cavity walls, internal partitions, and foundations (both above and below DPC). Their composition ensures a secure foothold for fixings and delivers superior fire resistance and sound insulation, making them a reliable choice for residential and commercial projects alike.

Product specification

  • Product Name: Medium Dense Concrete Block (7N)
  • Dimensions: 440mm x 215mm x 100mm
  • Compressive Strength: 7.3N/mm² (Structural Grade)
  • Density: Medium Density (Approx. 1350 – 1500kg/m³)
  • Weight: Approx. 14kg – 15.5kg (Lighter than Solid Dense blocks)
  • Pack Size: Typically 72 or 90 blocks (varies by pallet)
  • Fire Rating: Class A1 (Excellent Fire Resistance)
  • Standards: Complies with BS EN 771-3
  • Thermal Conductivity: ~0.47 W/mK (Better insulation than dense blocks)
  • Key Benefits: Durable, robust, and provides a secure base for wall fixings.
  • Application: Internal/External walls, party walls, foundations, and extensions.

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