Dense blocks are manufactured at all six manufacturing units in a full comprehensive range. Produced to BS EN 771-3 the products are available in Standard grade for general purpose use and 'Fairtex' grade for Paint Grade and Fair Faced applications.
All blocks are suitable for use above and below d.p.c. The blocks are readily available in a design of solid, cellular and hollow configurations offering both the architect and engineer a flexible choice of design requirements with a standard face size of 440 x 215mm.
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_52 Masonry walling units | |
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| Compressive Strength (?) | 7.3 N/mm2 | 80.39% |
| R-value (?) | 0.07 m2K/W | 5% |
| Sound reduction (?) | 45 dB | 25% |
| Thermal Conductivity (?) | 1.13 W/mK | 21.43% |