Description
The 100mm Thermalite Shield Block (3.6 N/mm²) combines structural strength with proven thermal performance. At 440 × 215 × 100mm, each block delivers a reliable 3.6 N/mm² compressive rating, suitable for both load-bearing and non-load-bearing walls, while its aerated material reduces heat loss and helps you meet U-value targets efficiently.
Lightweight and easy to lay, Thermalite Shield Blocks speed up build times when using thin joint mortar. Their closed-cell structure also offers inherent sound and thermal insulation, making them ideal for new builds, extensions, internal partitions and refurbishment projects.
Key Benefits:
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Compressive strength : Load-bearing capacity for walls and partitions (3.6 N/mm²)
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Thermal conductivity : closed micro-cellular structure minimises heat loss (0.15 W/m·K)
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Lightweight: Faster handling, speeding up build times.
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Sustainable: Contains up to 80 % recycled material and fully recyclable at end of life.
Technical Specifications:
- Dimensions: 440mm (Length) x 215mm (Height) x 100mm (Width)
- Unit Weight: 5.8 kg per block
- Thermal Conductivity: 0.15 W/mK
- Dry Density: 600 kg/m³
- Sound Insulation: 39.29 dB (with lightweight plaster) / 42–44 dB (with dry lining)
- Fire Resistance: 4 hours (non-loadbearing) / 2 hours (loadbearing)
- Strength: 3.6 N/mm²
FAQ
1. How much does one block weigh?
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Approximately 5.8 kg
2. What is its compressive strength?
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Rated at 3.6 N/mm², suitable for both load-bearing and non-load-bearing walls
3. What is the thermal conductivity?
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0.15 W/m·K, offering single-leaf insulation for improved U-values
4. How many blocks per square metre?
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10 blocks/m², 4.5m² per pack
5. Where can I use these blocks?
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External and internal walls, ground-level partitions, foundations and separating walls.
7. How do I cut or trim the blocks on site?
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Use a powered aerated-block saw or a handsaw fitted with a blade for lightweight blocks. Scratch-mark identifiers help you pick the right block grade quickly.
8. What fixings work with Thermalite Shield?
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Specialised aerated-block wall plugs (e.g. fischer UX) or resin anchors are recommended for secure fixings in aircrete.
9. What fire resistance do they offer?
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The aircrete’s micro-cellular structure provides inherent fire resistance, typically achieving 4 hours integrity in standard wall constructions.
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