These high-strength concrete blocks are a dependable and versatile option for a wide range of building projects, whether you’re extending your home, renovating, or building from scratch. Manufactured using natural aggregates, they offer excellent strength, durability and long-term performance you can rely on.
Available in solid, cellular and hollow designs, these blocks give you flexibility depending on your project needs. Their close textured surface makes them ideal for plastering, rendering or dry lining, and some options can even be left exposed and painted for a neat, finished look. The neutral concrete buff colour suits both modern and traditional builds.
With strength ratings ranging from 7.3N/mm² to 22.5N/mm², these blocks are suitable for both structural and non-structural uses. They are also high-density, helping to reduce noise transfer between rooms and neighbouring spaces — perfect for creating quieter, more comfortable homes.
Manufactured to EN 771-3 European standards, these blocks meet recognised quality and safety requirements for construction in the UK.
Strong and durable for long-lasting builds
Available in solid, cellular and hollow options
Suitable for plastering, rendering or painting
Helps improve sound insulation
Standard block size: 440 mm x 215 mm
Suitable for both internal and external walls
External cavity walls (inner and outer leaves)
Internal load-bearing and non-load-bearing walls
House extensions and renovations
Floor infill with beam and block flooring
Retaining and boundary walls (when installed correctly)
Walls that will be painted or finished directly
Intercrete Masonry Units are strong, reliable concrete blocks designed for a wide range of building projects. Manufactured using natural aggregates, they offer excellent durability, strength and sound-reducing properties, making them suitable for both residential and commercial construction.
These blocks are available in solid, cellular and hollow formats, allowing you to choose the most suitable option for your specific application. The textured surface finish provides an ideal background for plastering, rendering or dry lining, while selected close-textured options can be left exposed and painted for a clean, finished look. Finished in a neutral concrete buff colour, they work well in both internal and external builds.
Intercrete Masonry Units are produced to EN 771-3 European standards, ensuring consistent quality, performance and compliance with UK building regulations.
Available in strength classes from 7.3 N/mm² to 22.5 N/mm²
Supplied in solid, cellular or hollow block formats
High-density construction helps reduce sound transfer
Standard block face size: 440 mm x 215 mm
Textured finish suitable for plastering, rendering or dry lining
Close-textured options suitable for painting or fair-faced walls
Durable, long-lasting masonry solution for everyday building needs
External cavity walls (inner and outer leaves)
Internal load-bearing and non-load-bearing walls
Walls below damp-proof course, including suitable sulphate soil conditions
Separating and party walls to improve sound insulation
Infill blocks for beam and block flooring systems
Retaining walls when correctly reinforced
These masonry blocks are available in solid, cellular and hollow formats, giving you flexibility depending on strength, weight and insulation needs.
Block Width Options
75 mm
90 mm
100 mm
140 mm
215 mm
Strength Ratings
Solid blocks: Available in strengths from 7.3 N/mm² up to 22.5 N/mm², suitable for both structural and non-structural applications.
Cellular blocks: Typically 7.3 N/mm², offering a balance of strength and reduced weight.
Hollow blocks: 7.3 N/mm², ideal where lighter weight and service runs are required.
Approximate Weights (per block, depending on format)
75 mm: from 14.2 kg
90 mm: from 17.4 kg
100 mm: from 19.4 kg
140 mm: from 18.3 kg
215 mm: from 19.8 kg
(Weights vary depending on whether the block is solid, cellular or hollow.)
Density
Solid blocks: approx. 2000 kg/m³
Cellular blocks: approx. 2050 kg/m³
Hollow blocks:
100 mm: approx. 1525 kg/m³
140 mm & 215 mm: approx. 950 kg/m³
These masonry blocks are a practical and reliable choice for a wide range of building projects. Designed to be easy to handle and work with, they’re suitable for both professional builders and home improvement jobs. The block surface is well suited to common wall finishes, helping you achieve a clean, consistent result with minimal preparation.
Thanks to their solid construction, these blocks provide a strong, stable base for walls that are built to last. They can be used in many areas of a property, making them a versatile option whether you’re working on an extension, renovation, or new build.
Price range: £2.49 through £225.00
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Nick Lee-Shield