215mm Masterblock Masterdenz Solid Concrete Block 7.3N 215mm x 440mm

Out of stock
£3.95 Inc VAT

Masterblock concrete blocks can be used in a variety of projects from two-storey housing to multi-storey developments and commercial buildings. Masterblock Masterdenz blocks are manufactured in a wide range of sizes, strengths and finishes offering total flexibility.

New Southgate
18 in stock
Park Royal
436 in stock
Staples Corner
0 in stock
West Hampstead
0 in stock

Product Information

Masterblock Masterdenz Solid Concrete Blocks is a range of high strength concrete building blocks that are robust, load bearing units for use in either internal or external walls. It is available in a variety of sizes, strengths and finishes offering total flexibility. It can b used for a wide range of projects from two storey housing to multi storey developments and commercial buildings.

Key Features:

  • Available in solid and hollow format for ultimate versatility with a standard strength of 7.3N/mm²
  • High strength blocks up to 22.5 N/mm² are available subject to order to your specification
  • Masterdenz blocks are available in standard and paintgrade finishes for various applications
  • Quality assured manufacture
  • For use internally and externally both above and below dpc

  • Internal or external walls
  • Walls above and below ground level/dpc
  • Use in beam and block flooring Standard - Suitable for locations where the surface will not be seen, ie plastered or rendered
  • Paintgrade Available - Suitable for locations where a consistent close textured face is required, suitable for direct decoration (note only one face and one end guaranteed)
  • RD block - For use in Robust Details Ltd wall type E-WM-9 (Dense block laid flat)

Thickness: 215mm
Length: 440mm
Height: 215mm
Mean Unit Strength: 7.3N/mm²
Density (kg/m³): 1960
Weight: 40.5kg
Blocks/m³: 9.88
Sound Insulation: 48Rw dB
Thermal Conductivity: Internal 1.29W/mK - External 1.38W/mK
Water Vapour Diffusion Coefficient: 5/15
Moisture Movement: Less than 0.6mm/m
Reaction to Fire: A1 Classification to EN 13501-1
Bond Strength: 0.15N/mm²
Colour : Natural
Finish: Standard (Paint grade available)

Masterblock manufactures and supplies aggregate concrete blocks for use in a variety of projects from two-storey housing to multi-storey developments and commercial buildings. The blocks are manufactured in a wide range of sizes, strengths and finishes offering total flexibility. Primarily consisting of engineered dense, lightweight and paint grade blocks. Masterblock distributes across the UK to all major conurbations.

Housebuilding : Masterblock is widely used by housing developers for all types of house build, including executive homes, high density flats or apartments, social housing and self builds. They are also used extensively in renovation, extensions and alterations work. The products are designed to offer solutions to the latest Building Regulations such as Part E (Resistance to the Passage of Sound) and Part L (Conservation of Fuel and Power).

Commercial Buildings : Masterblock is specified for use on many prestigious project types including sports and leisure centres, supermarkets, retail parks, hospitals, schools and colleges. Again solutions to all the challenges posed by the Building Regulations have been developed and are reviewed as the legislation evolves.

Quality And Performance Standards : Masterblock is certified to BS EN ISO 9001:2008 and BS EN ISO 14001 quality standards, and as part of Aggregate Industries, products from Masterblock are certified as coming from a Responsible Source, certified under BSI, BES571075 to the requirements of BES6001. This is of special relevance to schemes seeking high ratings under the Code for Sustainable Homes guidelines or BREEAM rated developments.

Product Specifications

Technical Specification
Brand: Masterblock
MPN: Build145
Pack Size: 1
Type: Concrete Blocks
Colour: Grey
Height: 215mm
Length: 440mm
Thickness: 215mm
Texture: Standard
Size: (H)215mm (L)440mm (T)215mm

  • Lead time of 1-2 Working Days.
  • This product is dispatched from Builder Depot and is available for in-store purchase.
  • Orders received by 12:00pm are processed the same working day.
  • Your delivery charge will be displayed in the trolley page and checkout prior to purchase.
  • Once the order has been dispatched you will be sent relevant tracking information.
  • This item is eligible for returns as per our Returns Policy.
  • The products ordered are for kerbside delivery only which means our drivers will unload goods at the nearest access point on the kerb outside of your property.
  • Please ensure you have adequate labour onsite to accept the goods and offload.

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4.5 /5

Based on 2 customer(s) reviews

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Daniel P.   published 26/03/2021 following an order made on 15/03/2021


Product fine.

Anonymous customer   published 16/05/2017 following an order made on 02/03/2017


Very solid, incredibly heavy duty brick. Exactly what we wanted.