External walls

Hebel PowerPanelXL masonry system is lightweight, very strong and solid. External walls are made from thick, steel reinforced aerated concrete panels affixed to timber or steel framing, so you have an incredibly robust construction. And it looks fantastic because you choose the finish – colours, textures, patterns and features – over PowerPanelXL’s clean and unbroken lines. It’s surprisingly affordable too.

Construction time is incredibly fast. You can install one panel in the time it takes to lay 75 standard bricks. And you can easily cut panels onsite. Waste is minimised. Your walls go up much quicker and your new home or renovation is built faster.

Add in termite resistance, great thermal benefits, noise reduction, high fire resistance and sustainability and you can see PowerPanelXL really is the better way to build.

Hebel is available in blocks and panels of different sizes for load bearing and non load-bearing construction.


For all brochures and technical information visit Downloads 

Find the right specification to suit your design and performance needs with our specification tool.

A detailed illustration of hebel power panel plus
Hebel PowerPanelXL external wall system has been specifically developed to go up fast.

The system consists of 75mm thick, steel-reinforced PowerPanelXL panels, fixed vertically to horizontal top hats attached to the load bearing frame.

PowerPanelXL has been developed so it's 20% lighter than previous systems while maintaining its structural integrity. This lightweight panel, combined with the perforated steel top hat fixing system, speeds up installation with a whole lot less fatigue.

The PowerPanelXL system:

  • is much faster than laying bricks - two people can install up to 150m2 in three days depending on site conditions
  • is easy to grip, lift and move with less wear and tear on the body
  • is non-combustible with an FRL of 180/180/180
  • has outstanding thermal and acoustic insulation qualities, increasing levels of comfort and saving on energy heating and cooling costs
  • using over 60% less embodied energy, and producing at least 55% less greenhouse emissions than concrete or brick veneer, Hebel is the cleaner, greener choice.
  • allows design patterns to be easily machined into the panels.
 PowerPanelXL System




 R1.54 - R3.54

 Wall thickness

 185mm - 205mm*






* depending on stud, cavity and Top Hat selection


A detailed illustration of Hebel Power Block plus
PowerBlock+ the premium alternative to double brick

Solid masonry construction has long been regarded as the 'ultimate' home building method. Hebel PowerBlock+ is the ideal alternative to double brick, giving you an extremely solid construction with exceptional acoustic and thermal insulation properties to provide a more comfortable and energy efficient home.

The face size of a PowerBlock+ is 600mm x 200mm. External walls are typically constructed using 250mm thick Hebel PowerBlock+ whilst internal non-loadbearing block walls generally use the 100mm PowerBlock+. The large format blocks are lightweight and, forming a single wall, are rapidly installed.

  • a solid load-bearing masonry home
  • a Hebel PowerBlock+ home 'breathes' and controls moisture making it an incredibly comfortable living environment
  • with over one and half times the thermal resistance of double brick, Hebel PowerBlocks+ systems* easily exceed the Building Code of Australia (BCA) minimum energy requirements for climatic zones 1 to 7 inclusive
  • excellent acoustic performance and sound insulation attributes
  • design and build freedom and flexibility – easily worked with standard power tools
  • non-combustible – up to a four hour fire rating makes the Hebel PowerBlock+ System ideal for rural or bush fire prone areas
  • enhanced design freedom can be achieved through routing and shaping
  • lintels and sill blocks complement the high aesthetic appearance.

* PowerBlock+ systems 1705, 1706, 1707. James Fricker Report 107.69, 107.71, 107.72 and 107.73

 PowerBlock+ System


 up to 240/240/240


 Rw + Ctr 35 to 42                                                               


 R2.04 to R4.19

 Wall thickness

 250mm to 356mm*

Hebel Stories

Zembis House
With energy efficiency and thermal comfort at its core, the house draws on natural surroundings, making use of as much natural light as possible.
Japanese luxury designed home at night
Building with Hebel both internally and externally provides the homeowner with the ability to create innovative design.
Wahroonga Residential house Redesign using hebel
Hebel reduced the requirements for expensive steel framework and the installation of the first floor walls only took three days to complete.