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The Interfuse (O) 140mm Hollow Concrete Block is a strong, practical masonry unit designed for structural blockwork where increased wall thickness and dependable performance are required. Manufactured from high-quality concrete, this hollow block delivers reliable strength while remaining easier to handle than solid alternatives.
With a 7.3N/mm² compressive strength, it is suitable for a wide range of loadbearing and structural applications. The hollow core design reduces overall weight and allows flexibility for reinforcement or service runs where needed.
7.3N compressive strength for consistent structural performance
140mm hollow concrete block for strength with improved handling
Hollow core design reduces weight and aids installation
Good acoustic and thermal performance when used in suitable wall systems
Standard 440 x 215mm face size for efficient, uniform blockwork
Packed in 60s for transport and storage, sold individually to suit your requirements
Manufactured to BS EN 771-3 quality standards
Loadbearing and structural masonry
Internal and external wall construction
Separating and party walls
Residential and commercial projects
Blockwork requiring increased wall thickness
We supply flexible, trade-friendly building materials that work around your project needs. These Interfuse (O) 140mm 7.3N hollow blocks are packed for convenience but available individually, giving you control over quantities without compromising on quality or performance