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100mm Thermalite Aircrete 7.3N Hi-Strength 7 Block
Product
7.3N aircrete block combining high strength, insulation, and moisture resistance. Sustainable with 80% recycled content. Standard 100mm thickness is suitable for load-bearing walls in multi-storey or high-load applications.
Product
Nationwide Delivery
Tue 30 Sep
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- 23hrs
- 31mins
- 12secs
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Pay in 4 interest-free payments
Split your purchase of £2.90 into 4 with no sign-up fees or late fees. Your purchase will be split into 4 payments, payable every 2 weeks
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- Choose Clearpay at checkout to pay later with Pay in 4.
- Complete your purchase with the first payment today.
- Remaining payments are taken automatically.
Clearpay is unregulated credit. Use responsibly. 18+, T&Cs and late fees apply at clearpay.co.uk/en-GB
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it’s still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay’s behalf. Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply at clearpay.co.uk/terms
Product Overview
7.3N aircrete block combining high strength, insulation, and moisture resistance. Sustainable with 80% recycled content. Standard 100mm thickness is suitable for load-bearing walls in multi-storey or high-load applications.
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
|
Core Products Core
|
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|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £20 ex. VAT |
| Over £300 ex. VAT | FREE |
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £15 ex. VAT |
| Between £100 - £300 ex. VAT | £10 ex. VAT |
| Over £300 ex. VAT | FREE |
| Insulation, Plasterboard and Drylining Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{invert_colors_off}} Excellent resistance to moisture
- {{thermostat}} Strong thermal insulation performance
- {{recycling}} Made with 80% recycled content
- {{check_circle}} Helps reduce heat loss and improve wall efficiency
Technical Specification
| Product: | High Strength |
|---|---|
| Thickness: | 100mm |
| Length: | 440mm |
| Height: | 215mm |
| Sales Unit: | Each |
| Brand: | Thermalite |
| Manufacturer's Reference: | SHST1001107GR |
| Weight: | 7.1kg |
| Compressive Strength: | 7.3N |
| Thermal Conductivity: | 0.18W/mK |
Technical Downloads
Product Overview
100mm Thermalite aircrete block with 7.3N/mm² compressive strength, 440mm x 215mm face size, and 730kg/m³ density.
Provides high load capacity, insulation, and moisture resistance for multi-storey and heavy-load applications.
Offered in the standard 100mm thickness, ensuring compatibility with common wall designs.
Features & Benefits
- Compressive strength (7.3N/mm²): Suitable for flats above three storeys, offices, and retail.
- Thermal conductivity λ = 0.18W/m·K: Helps reduce heat loss while maintaining high strength.
- High moisture resistance: Provides durability in damp-prone areas.
- 80% recycled content: Supports sustainable building practice.
- Dense aircrete (730kg/m³): Delivers higher load-bearing capacity.
- Standard face dimensions 440mm x 215mm: Consistent sizing for efficient coursing.
- Thickness 100mm (7.1kg weight): Standard thickness, aligning with common wall layouts.
Please Note: Orders large enough to require a pallet will require a £20 ex VAT refundable pallet charge to be paid per pallet. Our customer service team will reach out to you if this applies to your order.
Applications
- Load-bearing walls: Supports heavy-load conditions in multi-storey projects.
- External walls: Provides strength and thermal performance in residential and commercial builds.
- Internal partitions: Lightweight relative to dense concrete, easier to handle.
- Separating walls: Contributes to acoustic and thermal compliance when required.
Installation Guidance
- Use thin-joint or traditional mortar: Provides strong bonding, structural stability, and reduced cold bridging.
- Stagger joints across courses: Maintains strength and reduces risk of cracking.
- Lay level on prepared foundations: Ensures stable support for walls.
Compliance & Performance
- Compressive strength (7.3N/mm²): Meets requirements for high-load construction.
- Service class: Suitable for internal and external use above ground.
