Allan Block is a hollow-core, dry-stacking concrete block for the construction of retaining walls. Designed with a six degree 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:

Cost-effective and versatile.
Offers high performance, quality, and lasting value.
Expected lifespan of 120 years (if designed and built in accordance with its British Board of Agrément (BBA), Roads and Bridges certificate).
Includes a hollow-core design which makes blocks easy to handle, promotes drainage and becomes solid when filled with stone.
Anti-climb edge.
Depending on site conditions, walls can be constructed up to 1.2 m in height, using the blocks and granular fill only.
Taller walls will require reinforcement, most often through the use of Geogrid, No-Fines Concrete or building a double-width gravity wall.
CE-marked and manufactured in accordance with BS EN 771-3, ISO 9001 and ISO 14001.
No need for pins, clips or mortar.
Can be constructed regardless of weather conditions.
Built-in drainage.
Durable and maintenance-free.
Freeze-thaw resistance.
High strength, durable block.
Efflorescence-free.

BBA Agrément Certificate