Verified by manufacturer 5 months ago
Armstart Concrete Block 250 mm
ISO 9001 Quality Management
Certificate type
Medium density lightweight aggregate foundation block.
Suitable for use in soil conditions up to DS-3 as defined in BRE special digest 1.
Medium density lightweight aggregate foundation block.
Features and benefits:
Color | Grey |
Finish | Textured |
Material | Concrete |
Shape | Rectangle |
Length | 300 mm 350 mm |
Width | 215 mm 250 mm 275 mm |
Height | 140 mm |
Warranty description | Lifetime |
Uniclass | |
CAWS | F10/355 Concrete common blockwork F10/36 Concrete common blockwork |
Standard | To BS EN 771-3. |
Block description | Standard common block. |
Appearance | Dark Grey. |
Configuration | Group 1. |
Compressive strength | |
Mean value | 7.3 N/mm².Guidance for specification option: As standard, higher strengths are available to order. |
Category | II. |
Freeze/ thaw resistance | Freeze thaw resistant. |
Thermal conductivity | 0.49 W/mK. |
Recycled content | 40%. |
Work sizes (length x width x height) | 350 x 250 x 140 mm. |
Tolerance category | D1. |
Density | |
Gross dry density | 1450–1550 kg/m³. |
Net dry density | 1450–1550 kg/m³. |
Reaction to fire | Class A1 to BS EN 13501-1. |
Water vapour permeability | 5/15 µ. |
Moisture movement | 0.06 mm/m. |
Weight | 18.8 kg. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Concrete |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 12.8 kg CO₂ eq/m² Self declared |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 40 % |
Expected Life | Lifetime |