Verified by manufacturer 10 months ago
NSAI Agrément Certificate
Certificate type
BBA Agrément Certificate
Certificate type
BBA Agrément Certificate
Certificate type
AB Three Mortarless Retaining Wall Blocks allow for the construction of mortarless retaining walls with a 3 degree setback.
Suitable for:
Allan Block is a hollow-core, dry-stacking concrete block for the construction of retaining walls. Designed with a 3° raised front lip which automatically establishes the setback from vertical.
Manufactured from a mixture of aggregates (65% recycled secondary aggregate content) and cement.
Features and benefits:
Color | Grey Manufacturer guidanceAbbey Blend, Cinder Blend, Limestone Blend, Pewter Blend, Slate Blend, Yorkstone Blend. |
Finish | Manufacturer guidanceSplit-face finish. |
Material | Concrete |
Shape | Rectangle |
Length | 450 mm |
Width | 300 mm |
Height | 200 mm |
Uniclass | |
CAWS | D41/310 Drystack interlocking masonry F10/18 Concrete facing blockwork F10/255 Concrete facing blockwork |
Product range |
Standard | To BS EN 771-3. |
Properties | |
Dimensions | 450 x 300 x 200 mm. |
Weight | 35 kg. |
Special units | |
Type of special unit | Not required. AB Corner Block. Guidance for specification option:
AB Wall Caps. Guidance for specification option:
Geogrid. Guidance for specification option:
No-Fines Concrete Backfill. Guidance for specification option:
|
Dimensions of special units | Manufacturer guidance
|
Finish | |
Exposed faces | Split-face texture. |
Concealed faces | Split-face texture. |
Colour | Abbey blend. Cinder blend. Limestone blend. Pewter blend. Slate blend. Yorkstone blend. |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 65%. Guidance for specification option: Secondary aggregate content. |
Block description | Split-face texture, hollow-core, dry-stacking, precast interlocking concrete blocks. Guidance for specification option:
|
Angle | Setback: 3°. |
Average density | 2100 kg/m³. |
Water absorption | 3–6%. |
CoverageArea | 11.11 m² (approximately). Guidance for specification option: Face coverage. |
Efflorescence | None. |
Compressive strength (mean value) | 30 N/mm². |
Life expectancy | 120 year. Guidance for specification option: If designed and built in accordance with its British Board of Agrément (BBA), Roads and Bridges certificate. |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Concrete |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 65 % Guidance for specification option: Secondary aggregate content. |
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
Platform | Compatible | Version |
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![]() | Revit 2016 | 2 |
![]() | - | 1 |