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Thermalite Hi-Strength 7 Coursing Unit
Verified by manufacturer 2 days ago
440 x 100 x 65 mm
440 x 100 x 65 mm
Coursing block units manufactured to standard brick height and block length.
Application
Suitable for applications including:
- Cavity internal and external wall leaves.
- Solid external walls.
- Separating walls.
- Internal partitions.
Description
Thermalite Hi-Strength 7 provides a solution for seamless wall construction, designed to match the coordinating heights of standard masonry units and enhance structural integrity, ensuring uniform thermal performance throughout the wall.
Manufactured in accordance with BS EN 771-4, it complies with all relevant Masonry Wall Robust Details and supports compliance with Building Regulations – Approved Documents Part A, B, E & L.
Features and benefits:
- Versatile for accommodating openings, level adjustments, and complex wall geometry.
- Low air permeability.
- Produced in standard brick height and block length.
- Suitable for different applications.
- High-strength coursing block with a compressive strength of 7.3 N/mm².
- BBA-certified.
- BES 6001-certified.
General information
Color | Grey |
Finish | Micro-textured |
Material | Autoclaved aerated concrete (AAC) |
Shape | Rectangle |
Length | 440 mm |
Width | 100 mm 140 mm |
Height | 65 mm 140 mm |
Uniclass | |
CAWS | F1/310 Aerated concrete blocks F10/370 Thin-joint autoclaved aerated concrete (AAC) common blockwork F10/360 Autoclaved aerated concrete (AAC) common blockwork F10/37 Autoclaved aerated concrete (AAC) common blockwork F10/39 Thin joint autoclaved aerated concrete (AAC) common blockwork |
Specification data - Autoclaved aerated concrete (AAC) blocks
Classification data | |
Standard | To BS EN 771-4. |
Environmental performance requirements | |
Environmental rating | BES 6001-certified. |
Configuration | Group 1. Guidance for specification option: Solid. |
Mean compressive strength (minimum) | |
Category | II. |
Freeze-thaw resistance | Not to be left exposed. |
Thermal conductivity (maximum) | 0.18 W/mK. Guidance for specification option:
|
Work sizes (length x width x height) | 440 x 100 x 65 mm. Guidance for specification option: Tolerances:
|
Accessories or special shapes | |
Type | Coursing blocks. |
Tolerance category | GPLM. |
Density | 730 kg/m³. Manufacturer guidanceGross dry density. |
Reaction to fire | Class A1 to BS EN 13501-1. |
Moisture movement | 0.5 mm/m. Manufacturer guidanceNominal value. |
Shear bond strength | 0.15 N/mm². |
Water vapour permeability | 5/10. |
Unit weight | 2.7 kg. Manufacturer guidanceGross density + 50 kg/m³ at 23% moisture. |
Mean compressive strength (minimum) | 7.3 N/mm². |
Thermal Conductivity: | λ10, dry unit, S2, 0.16 W/m·K. Protected (3%): 0.18 W/m·K. Exposed (5%): 0.20 W/m·K. Below DPC level: 0.29 W/m·K. |
Thermal resistance | Protected (3%): 0.555 m²K/W. Exposed (5%): 0.5 m²K/W. |
Sound reduction | 42.3 Rw dB. Guidance for specification option: Unfinished. |
Vapour resistivity | 50 MN·s/g·m. |
Third-party certification | BBA certificate 00/3720 Product Sheet 1. |
Sustainability data
Country of product manufacture | United Kingdom |
Material | Autoclaved aerated concrete (AAC) |
Recyclability | Yes |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 80 % |
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