Solid Dense Standard Concrete Block 440 x 215 x 100mm 7.3N
£1.53 exc. VAT
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About Thomas Armstrong
Thomas Armstrong is a leading UK manufacturer of high-quality building materials, renowned for its extensive range of concrete blocks and paving solutions. Their product portfolio includes lightweight and dense aggregate blocks, such as the Ultralite and Insulite ranges, designed for strength, versatility, and enhanced thermal properties. The Airtec aerated concrete blocks offer superior thermal insulation, making them ideal for energy-efficient construction. Additionally, their block paving options, including the Armstrong and Lakeland ranges, provide durable and aesthetically pleasing solutions for various landscaping needs. All products are manufactured to meet the latest technical and environmental standards, ensuring reliability and sustainability in construction projects.
With a history dating back to 1830, Thomas Armstrong has established itself as a trusted name in the construction industry. Their commitment to innovation and quality is evident in their continuous investment in advanced manufacturing facilities and sustainable practices. By offering a comprehensive suite of building materials, Thomas Armstrong supports a wide array of construction projects, from residential developments to large-scale commercial infrastructures, providing builders with dependable solutions tailored to modern building requirements.
Product Description
Our Solid Dense Concrete Blocks with a ‘Standard’ finish provide an excellent surface for mortars, renders and plasters. They are the most durable and resilient block in our product range, making them perfect for higher strength, acoustic and highly resilient applications.
Dense blocks are available in two finishes, the ‘Standard’ texture finish provides an excellent surface for mortars, renders and plasters, whereas the ‘Paint-grade’ close textured finish provides a smoother surface, making this ideal for internal paint-grade applications.
Dense Blocks are readily available in a design of solid, cellular and hollow configurations offering a flexible choice of design requirements with a standard face size of 440mm x 215mm. All dense blocks are manufactured from high quality class 2 aggregates, consisting of up to 30% recycled raw material and are suitable for use above and below damp-proof course (DPC).
Dense blocks are manufactured to BS EN 771-3 and are ISO 9001 Quality Assured, ISO 14001 Environmentally Certified and hold BES 6001 ‘Excellent’.
Applications
- Inner and Outer leaves of cavity walls over 3 storeys.
- Internal partition walls.
- Block and beam floor infill.
- Foundation walls below damp-proof course (DPC).
- Acoustic separating party walls to Part E of the Building Regulations and Robust Details.
- ‘Standard’ texture finish provides an excellent surface for mortars, renders and plasters.
- ‘Paint-grade’ close-textured finish available for internal decorative, fair-faced or paint-grade applications.
- BRE Green Guide A+ rated walls.
Advantages
- Our most durable and resilient block.
- ‘Standard’ texture finish provides an excellent surface for mortars, renders and plasters.
- ‘Paint-grade’ finish available for decorative unfinished internal applications.
- Robust.
- Accepts most standard fixings.
Technical Properties
| Face Size (L x H) | 440 x 215mm |
| Width | 100mm |
| Dimensional Tolerance | Category D1 |
| Gross Dry Density | 1850 – 2100 kg/m3 |
| Mean Compressive Strength | 7.3 N/mm2 |
| Manufacturing Category | Category II |
| Thermal Conductivity (Protected Inner Leaf) | 1.17 W/mK |
| Thermal Conductivity (Exposed Outer Leaf) | 1.26 W/mK |
| Moisture Movement | < 0.6 mm/m |
| Fire Resistance | Class A1 Reaction to Fire |
| Configuration | Solid Group 1 |
| Textured Finishes | Standard |
Physical Properties
| R Value | 0.09 m2k/W |
| Walled Weight | 199 kg/m2 |
| Sound Reduction | 49 Rw dB |
| Block Weight | 18.8kg |
| Fire Resistance | 4 Hours |
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