100mm Medium Dense Block 7N

100MM MEDIUM DENSE BLOCK 7N – PK72

Medium density blocks are versatile, durable, and fire-resistant construction materials used for both load-bearing and non-load-bearing applications across residential, commercial, and industrial projects. Designed to balance strength, performance, and ease of handling, they are a dependable choice for modern construction.

Product Features / Specifications

This 100mm medium dense block is commonly used for inner and outer cavity wall leaves, internal partition walls, below-ground foundations, and beam-and-block flooring systems. Its consistent quality and reliable performance make it suitable for a wide range of structural and non-structural uses.

Product Benefits

Modulite medium dense lightweight blocks are specified where thermal efficiency and improved manual handling are key project requirements. The block offers excellent noise reduction properties, supporting acoustic comfort in occupied spaces, while its robust composition ensures long-term resilience against varying ambient conditions. Its A1 fire rating further enhances safety credentials, making it suitable for performance-driven builds.

Applications and Versatility

• Walls: Ideal for inner and outer leaves of external cavity walls, as well as internal separating or partition walls.
• Structural & Foundations: Suitable for use below the damp-proof course (DPC), providing dependable structural support.
• Flooring: Widely used as infill blocks in beam and block flooring systems.
• Performance-Driven Projects: Well suited for applications requiring sound insulation, thermal efficiency, and fire resistance.
• Finishes: Provides a strong, uniform background suitable for rendering, plastering, or direct painting.

Features & Benefits List

• Medium density construction for strength and durability
• Excellent acoustic performance for reduced sound transmission
• Good thermal efficiency supporting energy-conscious builds
• A1 fire-rated for maximum fire resistance
• Consistent dimensions for faster, more accurate laying
• Suitable for both above and below DPC applications
• Compatible with a wide range of finishes

Technical Specifications

• Dimensions: 440 x 215 x 100 mm
• Compressive Strength: 7.3 N/mm²
• Blocks per Pack: 72
• Standard Compliance: BS EN 771-3:2011
• Design Standard: EN 1996-1, Group 1

Additional Information:

We offer convenient and flexible delivery options to suit every project:

Van delivery for smaller orders - HIAB crane lorry for larger or bulk deliveries - Site delivery available on request

If you need delivery before the estimated date, please contact us and we’ll do our best to arrange an earlier slot.

For more information, please contact either

Oldham on 0161 633 1264

Agecroft on 0161 383 6400

Rochdale on 01706 656 980

Or email us at [email protected]