NBS Source
I'm a manufacturer

Compare variants

Airtec Seven Wall Block
Airtec Seven Wall Block
Airtec Seven Wall Block

Verified 4 months ago

Thomas Armstrong (Concrete Blocks) Ltd

Verified 4 months ago

Thomas Armstrong (Concrete Blocks) Ltd

Verified 4 months ago

Thomas Armstrong (Concrete Blocks) Ltd
Summary
Autoclaved Aerated Concrete (AAC) wall blocks.
Third party certification
Digital objects
-
-
Color
Grey
-
-
Finish
Textured
-
-
Material
Concrete
-
-
Shape
Rectangle
-
-
Length
620 mm
-
-
Width
100 mm, 140 mm, 190 mm, 215 mm
-
-
Height
215 mm
-
-
Warranty description
Lifetime
-
-

Specification

Standard
To BS EN 771-4.
-
-
Configuration
Group 1.
-
-
Mean compressive strength (minimum)
7.3 N/mm².
-
-
Category
I.
-
-
Freeze/ thaw resistance
Frost resistant.
-
-
Thermal conductivity (maximum)
0.17 W/mK (inner leaf). 0.19 W/mK (outer leaf).
-
-
Recycled content
80%.
-
-
Work sizes (length x width x height)
620 x 215 x 100 mm.
-
-
Tolerance category
TLMB.
-
-
Density
730 kg/m³.
-
-
Reaction to fire
Class A1 to BS EN 13501-1.
-
-
Moisture movement
0.40 mm/m.
-
-
Shear bond strength
0.15 N/mm².
-
-
Water absorption by capillarity
119 g/(m2 x s-0.5).
-
-
Water vapour permeability
5/10 μ.
-
-

Additional properties

Thickness
100 mm.
-
-
Accessories
None., AIRTEC Brickettes (Coursing unit) Seven Wall.
-
-
Weight
82 kg/m²: walled weight.
10.0 kg: block weight.
-
-
Coefficient of linear expansion (to ASTM D-696)
0.6 x 10^-6/K.
-
-
Shrinkage
0.40 mm/m.
-
-
Water vapour resistance
50 MNs/gm.
-
-
Environmental Product Declaration (EPD)
ISO 14001.
-
-
R-Value
0.91 m² K/W.
-
-
Sound reduction
44 dB (Rw).
-
-

Sustainability data

Contains Red List materials
No
-
-
Country of material origin
United Kingdom
-
-
Country of product manufacture
United Kingdom
-
-
Material
Concrete
-
-
Embodied carbon
168 kg CO₂ eq/m³
-
-
Recyclability
100%
-
-
Recycled content
80 %
-
-
Expected Life
Lifetime
-
-