Toplite 7 Hi Strength Aircrete Concrete Block 7.3N 100mm x 215mm x 440mm
£2.55 £3.06 incl. VAT
The Toplite 7.3N Aerated Block 440 x 215 x 100mm is a hi strength, high performance aircrete solution, designed to meet the diverse needs of modern construction. Known for its superior thermal efficiency and strength, this block is easy to handle, cut, and lay, making it an ideal choice for a wide range of applications, both internal and external.
Key Features & Benefits:
- Efficient and Lightweight: At just 7.1 kg per block, the Toplite 7.3N is easy to handle and can be laid faster, reducing labour time and lowering the risk of injury.
- Thermal Insulation: With a thermal conductivity of 0.19 W/mK, it offers excellent thermal performance, helping to achieve low U-values and improve energy efficiency in buildings.
- Fire Resistant: Euroclass A1 fire rating ensures high safety standards, providing peace of mind for builders and homeowners alike.
- Acoustic Performance: Achieves a sound insulation rating of 44 dB with lightweight plaster or 45 dB with dry lining, contributing to quiet, comfortable indoor environments.
- Versatile Applications: Ideal for use in internal and external walls, foundation walls, suspended block and beam floors, and more, making it perfect for general-purpose walling and structural elements.
- Durable & Weather-Resistant: Certified to BS EN 771-4, this block is designed to withstand typical climate conditions without degrading over time, extending its service life.
Technical Specifications:
- Dimensions: 440mm (Length) x 215mm (Height) x 100mm (Width)
- Unit Weight: 7.1 kg per block
- Thermal Conductivity: 0.19 W/mK
- Dry Density: 730 kg/m³
- Sound Insulation: 44 dB (with lightweight plaster) / 45 dB (with dry lining)
- Fire Resistance: 4 hours (non-loadbearing) / 2 hours (loadbearing)
- Strength: 7.3 N/mm²
| Weight | 7.1 kg |
|---|---|
| Height | 215mm |
| Length | 440mm |
| Depth | 100mm |
| Thermal Conductivity (W/mk) | 0.19 |
| Compressive Strength | 7.3N |
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How many blocks per square metre?
10 blocks/m², based on the standard face size and mortar joints.
How do I cut or trim them on site?
Easily cut with a powered or hand held masonary saw.
What is the thermal conductivity?
Around 0.19 W/m·K, giving better performance than a solid aggregate block.
What mortar or adhesive should I use?
Standard 1 : 4 cement-sand mortar works well, or use thin-joint aircrete adhesive for faster build rates.
Tarmac manufacture concrete and aircrete block products used widely across UK masonry construction. The Tarmac products we supply include Toplite and Hemelite ranges, both of which are commonly specified for general walling and blockwork applications.
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Apply for a Trade AccountWe aim to deliver orders within 5 working days, although availability and delivery times may vary by stock status, and for products supplied directly by manufacturers.
Our local delivery area includes postcodes B, CV, DE11–15, DY, LE65, LE67, ST, SY1–6, TF, WR, WS and WV. Selected products can also be delivered outside these areas by courier. Please contact us for a quotation if no delivery rate appears at checkout.
Bulk deliveries are made kerbside. Customers must provide safe, suitable access and advise us of any restrictions affecting HGV or crane-lorry access. Weekend delivery is not currently available.
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