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Besser® Block sizes and dimensions

The size of a full unit Besser® Block is 390mm long X 190mm wide X 190mm high. These Besser® Block dimensions are for the traditional 200mm series block, and the code (name) for this block is the 20.01. There are 12.5 standard Besser® Blocks per metre square (m2) of wall.

The series of a Besser® Block refers to the width of the unit and a 20.01 block is part of the 200mm series of Besser® Blocks. Adbri Masonry produces a full range of sizes and the following series of Besser® Blocks:

• 100mm series (90mm wide blocks)
• 150mm series (140mm wide blocks)
• 200mm series (190mm wide blocks)
• 300mm series (290mm wide blocks)
• Brick series (110mm wide traditional brick size and dimensions)
• The Versaloc® Walling System (a dry stack system that requires no mortar after the first course) This quick DIY friendly grey interlocking block provides so many opportunities around your home. Click here to download your Versaloc® brochure

DIY Videos
  • How to Build a DIY Succulent Garden out of Besser® Blocks with Jason Hodges

  • How to build using the Versaloc® Walling system

  • Rapid construction on a tight sight with the Versaloc® Walling System

  • Versaloc® Timelapse Construction

Besser® Block applications

Besser® Block Retaining Walls
Besser® Blocks are popular for the construction of retaining walls as they are pure vertical meaning they do not take up valuable space and they can also be engineered and reinforced for greater heights. While the potential to retain at considerable height is an advantage of using Besser® Blocks for large retaining walls, it’s important to check with your local council about their requirements for engineering and certification before building any retaining wall.

The key difference in building a Besser® Block retaining wall and a segmental concrete block wall is the need for a concrete foundation pad when using Besser® Blocks. Besser® Blocks retaining walls are layed like conventional bricks with a bed of mortar, thus the importance of concrete foundation pad which is properly formed and levelled.

Besser® Block Fences
Concrete blocks are fantastic for building boundary and perimeter fences. Not only can they be dressed up to suit your style with render, paint or both, but they offer increased privacy and security for your home and it is for these reasons that concrete Besser® Blocks are very popular for fencing applications.

It is again important to contact your local council about restrictions and requirements for fencing in your suburb. Your council will also advise you of your engineering requirements (plans for the concrete footings and core fill) as concrete block fences are exposed to many forces, particularly wind forces which need to be considered when designing and building.

Besser® Block homes
Besser® Blocks are an excellent choice if you are considering a durable, sturdy and proven product to construct your home. In most instances, block homes are constructed using traditional grey blocks are reinforced with steel and core filled with concrete grout before they are finished with render, paint or other wall cladding. In some areas such as tropical North Queensland, the Building Code requires homes to be constructed using concrete block to mitigate the impact of damage caused by cyclones, with Besser® Blocks a tried and tested material that can increase peace of mind. Click here to email our service team.

Many homes, particularly those architecturally designed will use coloured and textured Besser® Blocks for home construction. If you’re looking to make a statement with your home, then coloured designer masonry blocks should be at the top of your list. You can view Adbri Masonry’s range of coloured Architectural Masonry Besser® Blocks here.

Core filling block walls
In many applications, concrete block walls will be required to be reinforced with steel and corefilled with grout as per an engineer’s specifications. In addition to making blocks lighter to handle, the large cores in concrete Besser® Blocks and Versaloc® Blocks allow for easy corefilling with buckets or for larger jobs, a concrete pump. Where required, concrete grout is an essential element of the construction to ensure the structural stability of the wall.

There are general guidelines for corefill grout as indicated by the Concrete Masonry Association of Australia. These minimum requirements are;

  1. Minimum characteristic compressive strength of the concrete to be 12MPa, preferably 20MPa
  2. Cement content of grout must not be less than 300kg/m2
  3. The aggregate in the concrete will be a minimum of 10mm
  4. Cores must be completely filled

Are you wondering how much grout do I need to fill Besser® Block walls?
The below table can help determine how much core fill grout will be needed to fill your concrete block wall.

The volume of grout used in filling cores
Block Type Volume of concrete to fill 1m2 wall area (m3) Volume of concrete to fill 100 block(m3) (Approx.) No. of blocks filled by 1 cubic metre (m3)
15.01 / 15.42 0.054 0.43 220
20.01 / 20.42 0.100 0.66 150
20.48 ‘H’ Block 0.100 0.80 120
30.48 0.180 1.44 69
How to Finish Besser® Block walls

Capping units are available to sit atop finished block walls. This serves both aesthetic and functional purposes providing the wall with a neat finished look while also serving to ensure no debris can enter the wall.
External concrete block walls can be finished in a number of ways and if you’re building with traditional grey blocks, you may wish to utilise one of these options to help enhance the finished look of your home. The most popular options are;

Painting the blockwork – quick and easy with every colour imaginable at your disposal.

Rendering (and painting) the blockwork – premium finish that hides the block shape

Applying a façade – many materials such as stone and panels can be applied direct to the wall

Texturing –There’s many coating products available that can finish your wall to a desired look

Note: It is essential to waterproof external single skin masonry walls be finished with a weatherproofing product such as a sealant or paint to prevent water penetration. Seek further advice when selecting a suitable product from your local supply store.

Besser® Blocks FAQs
  • What is a Besser® Block?

    A Besser® Block is a common name used to describe a concrete building block. The word Besser® is a registered trademark of Adbri Masonry. These can also be referred to as Concrete Masonry Units (CMU), concrete blocks, grey block or cinder blocks.

  • Why build with Besser® Blocks?

    Besser® Blocks are hardwearing, durable and can be used for both commercial and residential builds. In some areas such as tropical North Queensland, the Building Code of Australia requires homes to be constructed using block to mitigate the risk of damage caused by cyclones.

  • Can you render concrete Besser® Blocks?

    Rendering concrete block is a proven, simple and cost-effective way to achieve a waterproof, durable and premium looking finish.

  • Can Besser® Blocks be used for retaining walls?

    Besser® Blocks can be used for building retaining walls, and are a popular as they are pure vertical, meaning they do not consume valuable space. They can also be engineered and reinforced to reach great heights.

  • Should you core fill Besser® Blocks?

    In many applications, concrete block walls will be corefilled with grout and reo steel. In addition to making blocks lighter to handle, the large cores in concrete Besser® Blocks allow for easy corefilling with buckets, or for larger jobs, a concrete pump.

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NT General Requests

Adbri Masonry products are not available in WA & NT. A limited range of Brighton Masonry products are sold available through Bunnings Warehouse.

For general WA & NT requests, please complete the form below.

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Adbri Masonry products are not available in WA & NT. A limited range of Brighton Masonry products are sold available through Bunnings Warehouse.

For general WA & NT requests, please complete the form below.

INTERNATIONAL INQUIRIES

Adbri Masonry products are manufactured and sold in Australia.
For commercial and infrastructure sales inquiries in the Pacific Islands or South East Asia.

Please email: adbrimarketing@adbri.com.au

For all other regions, please consult a local concrete paving manufacturer.

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NT

Adbri Masonry products are not available in NT.
A limited range of Brighton Masonry products are sold available through Bunnings Warehouse.
For general NT requests

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