Airtec Standard blocks are the perfect all-round residential building block where a combination of strength and high thermal performance is required. Airtec Standard blocks are unique in combining a thermal conductivity of only 0.11 W/mk with a compressive strength of 3.6 N/mm2
In common with all other Airtec blocks, they boast the very best possible dimnsional tolerance category of 'Thin Layer Mortar B' (TLMB) but are perfectly suitable for conventional 10mm mortar joint construction. Airtec blocks are Smooth faced but are not intended for fair-faced use due to the naturual air bubbles on the block surface.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Thomas Armstrong Group is consulted before specifying.
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| Uniclass (?) | Pr_20_93 Unit structure and general products | |
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| Compressive Strength (?) | 3.6 N/mm2 | 60.71% |
| R-value (?) | 0.91 m2K/W | 27.78% |
| Sound reduction (?) | 40 dB | 33.33% |
| Thermal Conductivity (?) | 1.11 W/mK | 8.93% |