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Allan Block®

The Allan Block® success began three decades ago with the introduction of their patented segmental retaining wall product – The Original Allan Block.

The success story continues with the development of creative and innovative construction products, aiming to revolutionise the way the world builds.

The Allan Block stacks beautifully and creates a smooth and fluid finish for every wall, bringing a refined look of classic natural beauty to any landscape. It is easy to install, durable, cost-effective and, best of all, it looks great.

Expect high performance with the first-ever segmental retaining wall system that has conducted full-scale seismic testing.

Important information

Engineering advice should be sought for walls exceeding 900mm, or for retaining walls supporting an additional load, eg. driveways, buildings or slopes etc.
Also, check with your local council for requirements and regulations in your particular area.

Allan Block® is a Registered Trademark of Allan Block Corporation registered in the United States.

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Block Types

AB Classic
Dimension: 435mm L x 300mm W x 200mm H
Coverage: 11.5 blocks per m2
Pallet: 40 blocks per pallet
Setback: 6 degrees from Vertical
Weight: 32.5 Kg

AB Vertical
Dimension: 435mm L x 300mm W x 200mm H
Coverage: 11.5 blocks per m2
Pallet: 40 blocks per pallet
Setback: 3 degrees from Vertical
Weight: 32.5 Kg

AB Lite Stone
Dimension: 435mm L x 300mm W x 100mm H
Coverage: 23 blocks per m2
Pallet: 80 blocks per pallet
Setback: 6 degrees from Vertical
Weight: 16 Kg

AB Junior Lite
Dimension: 216mm L x 240mm W x 100mm H
Coverage: 46.3 blocks per m2
Pallet: 200 blocks per pallet
Setback: 6 degrees from Vertical
Weight: 8 Kg

AB Junior
Dimension: 216mm L x 240mm W x 200mm H
Coverage: 23.15 blocks per m2
Pallet: 100 blocks per pallet
Setback: 6 degrees from Vertical
Weight: 15 Kg

AB End/Corner Block
Dimension: 400mm L x 200mm W x 200mm H
Coverage: 12.5 blocks per m2
Pallet: 60 blocks per pallet (30 left blocks and 30 right blocks)
Setback: 6 degrees from Vertical
Weight: 28 Kg

AB Cap Stone
Dimension: 433mm L x 260mm W x 100mm H
Coverage: 2.3 blocks per linear metre
Pallet: 72 blocks per pallet
Setback: 0 degrees from Vertical
Weight: 22.5 Kg

Benefits & Features

Specifications

Code	Product	Size
13582	Allan Block Capstone	Iron Sand
13574	Allan Block Classic	Iron Sand
13584	Allan Block Corner / End	Iron Sand
13576	Allan Block Junior	Iron Sand
13850	Allan Block Junior Lite	Iron Sand
13578	Allan Block Lite	Iron Sand
13572	Allan Block Vertical	Iron Sand

Code	Product	Size
13581	Allan Block Capstone	Rock Salt
13573	Allan Block Classic	Rock Salt
13583	Allan Block Corner / End	Rock Salt
13579	Allan Block Junior	Rock Salt
13575	Allan Block Junior Lite	Rock Salt
13577	Allan Block Lite	Rock Salt
13571	Allan Block Vertical	Rock Salt

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Frequently Asked Questions

Unreinforced Allan Block walls or gravity walls can be built up to 1.5m high in very favourable soil conditions. However, the standard is up to 0.9m high. Follow the Allan Block Installation Guide for easy installation instructions. Masonry reinforcement works well for walls up to 4.5m high and geogrid reinforcement can handle partitions over 12m high. Always consult a qualified Allan Block engineer on retaining walls over 0.9m.

Standard concrete building blocks made in the 1950s using a similar process as Allan Block are still performing in building structures around the world. With today’s technological improvements, we believe Allan Block will last a lifetime*. Check out our tips on caring for your retaining wall.

*Free-thaw cycles and salt exposure might affect the retaining wall life and performance.

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Related Case Studies

125a Murphys Road, Flat Bush – Allan Block®

Located at the heart of Flat Bush, South Auckland, Murphy’s Road has become a very popular artery that links Redoubt Road, Flat Bush School Road and Ormiston Road, an area that currently supports large housing and employment growth.

Sellars Road, Bombay – Allan Block®

This impressive residential project is located at the heart of the Bombay Hills in South Auckland. Consisting of three amazing terraced AB Ashlar Blend retaining walls.

Bond Street, Te Awamutu – Allan Block®

This project was completed at a small residential development located in Te Awamutu, South Waikato. We were approached by the homeowner (Dean) to retain and stabilise a steep cut on an existing slope, which was going to be only a few meters away from his future house.