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The Allan Block System

Document imprimable.pdf

Allan Block’s built-in features make retaining walls easy to engineer and simple to build. These simple engineering features make the Allan Block Collections the most efficient and reliable products on the market.

Mortarless Construction

Mortarless technology works. Building "flexible" structures with interlocking dry-stacked materials provides superior performance over rigid construction techniques. Add the benefits inherent in a mortarless system - site adaptability, installation by general laborers, lower cost - and you have what we call the Allan Block Advantage.
Une construction sans mortier
Mortarless construction has been used for centuries

Built-In Engineering

Built-In Interlock
Every Allan Block is firmly locked in place by the patented front lip. No pins, no mortar, no fancy connectors.
Un assemblage intégré

Built-In Setback
The raised front lip automatically establishes the proper setback. Choose from 12°, 6°, or 3° systems.
Un angle d’inclinaison incorporé
Built-In Drainage
The hollow-core design combines with mortarless construction to allow water to drain freely from behind the wall. Incidental water moves easily through a vertical drain that is formed by the layer of wall rock placed behind the block and in the block cores. The dry-stack construction technique allows the incidental water to escape by flowing around the blocks and out the wall face. This built-in drainage helps to eliminate water pressure. Please note that this area is not to be used as a primary water management element.
Le drainage incorporé

Hollow-Core System

Allan Block’s exclusive hollow-core product design provides many benefits over solid systems.
  • Superior drainage
  • Faster drying in wet environments.
  • Better resistance to freeze-thaw cycles.
  • Improved efflorescence control.
  • Easier handling, faster installation, lower labor costs.
  • Block-to-block interlock created by the wall rock within the blocks.
  • Lower production and freight costs.
Le système de blocs creux
Standard Product Specifications
Compressive Strength 3000 psi
Absorption 6 Vol.%
Unit Density - Hollow 2002 kg/m3
Unit Shear Strength 9406 N/m
Allan Block Murs de Soutènement

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