Jan 11

CSR Hebel Benefits

The many benefits of using Hebel PowerBlocks include:

Solid and strong:

Hebel PowerBlocks are made from Autoclaved Aerated Concrete (AAC), a strong, solid masonry building material with the advantage of being 25% the weight of conventional concrete.

Acoustic Performance: Significantly reduced sound transmission from room-to-room.

Thermal Resistance: Unique thermal properties result in a more stable inside temperature, reducing the energy required to heat and cool your home, thereby reducing energy bills.

Environmentally friendly: 73% less embodied energy and 61% less greenhouse gas emissions than comparative masonry products*. *Source: LCA Report GECA 2006.

Fire Protection: Non-combustible blocks with frameless construction deliver superior fire resistance. Hebel PowerBlock systems also allow you to build right up to your boundary line.

Pest resistance: Not a food source for termites or vermin and no cavity construction liminates the chance of harbouring pests.

Design Freedom: Hebel PowerBlock Wall Systems provide absolute freedom to design and build your ultimate dream home – without compromise.

Technical Support: Competent technical support through Hebel distributors.

Energy Efficiency

The unique combination of thermal resistance and thermal mass make building with Hebel
a smart choice for meeting Australia’s stringent building regulations.

The thermal performance of a building depends on a number of factors such as orientation and size and aspect of windows. The R-Value of walls and floors can significantly affect the energy-rating outcome of dwellings. A 250mm Hebel PowerBlock has 3 times the R-Value of a cavity brick wall (BCA Vol. 2 Figure 3.12.1.3). The use of Hebel in walls and floors will provide increased thermal performance that can allow more

flexibility with other design aspects of a building.

The thermal efficiency of Hebel systems will also reduce the reliance on heating and cooling appliances. The combined effects of running a heater less in winter and fans or air conditioning less in summer can have a big impact on energy costs and the environment.

Single Skin Construction

The AAC masonry constructed from Hebel PowerBlock products is called “Plain Masonry” and the blocks are masonry units referred to as a “Solid Unit”. The type of solid unit is “Autoclaved aerated concrete masonry unit” complying with AS/NZS 4455 – Masonry Units and Segment Pavers.The larger face dimension and being a single skin, Hebel PowerBlock walls are erected quickly when compared to double brick construction.

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Jan 11

CSR Hebel Energy Efficiency

Table 3.1 shows a number of different external wall configurations and identifies which satisfy the BCA requirement for Climate Zones 1 to 8. Table 3.2 lists the component R-Values used as a basis for Table 3.1. For more information on Hebel and energy efficiency refer to Section 3 and Appendix C and D of the Hebel Technical Manual.

Table 3.1:  BCA Energy Efficiency Compliance.

Wall Configuration Satisfies BCA Requirements
Climate Zone: 1* 2* 3* 4 5 6 7 8
Class 1 & Class 10a Minimum R-Value: 1.4 1.4 1.4 2.2 1.9 2.2 2.4 3.3
   1. 250mm Block Only Y Y Y N Y N N N
   2. 250mm Block + 25mm Cavity Y Y Y Y Y Y N N
   3. 250mm Block + 25mm Cavity + Sarkin Y Y Y Y Y Y Y N
   4. 250mm Block + 25mm Cavity + 75mm PowerPane Y Y Y Y Y Y Y N
   5. 250mm Block + 40mm Cavity + R1.0 InsulatioN Y Y Y Y Y Y Y N
   6. 250mm Block + 25mm Cavity + Double Sided RFL + 25mm Cavit Y Y Y Y Y Y Y Y
   7. 250mm Block + 90mm Cavity + R2.0 InsulatioN Y Y Y Y Y Y Y Y

*Note: For elevated ground floor slabs an R-Value of 1.9 is required.

Table 3.2:  Wall Element R-Value.

System Number Construction Overall Thickness R-Value Rw Rw
+ C
tr
401 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
10mm Gyprock
268 mm 2.1 48 43
402 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
28mm furring channels @600mm centres
10mm Gyprock
296mm 2.3 51 43
403 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
28mm furring channels @600mm centres
Non reflective (normal sarking)
10mm Gyprock
296mm 2.3 51 43
404 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
28mm furring channels @600mm centres
Reflective foil
10mm Gyprock
296mm 2.6 51 43
405 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
28mm furring channels @600mm centres with 50mm 11kg – Bradford Glasswool
Non reflective (sarking)
10mm Gyprock
296mm 3.1 53 44
406 8mm Render in Texture Coat and Paint
250mm Hebel PowerBlock
8mm Render in Texture Coat and Paint
216mm 2.1 48 43

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Jan 09

CSR Hebel PowerBlock Handling

Manual Handling

To minimise the possibility of manual handling injuries, Hebel suggests the following:

  • Use mechanical aids, such as trolleys, forklifts, cranes and levers, or team lifting to move Hebel.
  • Keep the work place clean to reduce the risk of slips, trips and falls, which can cause injury.
  • Plan the sequence of installation to minimise panel movements and avoid awkward lifts.
  • Good lifting techniques to be adopted to minimise the risk of injury.

Mechanically Assisted Handling

Moving and handling Hebel Floor panels and Hebel Lintels should be done using mechanical aids such us forklifts, cranes and special panel lifting trolleys. Different panel lift attachments are available for installing panels. For purchasing or hire of these devices please contact CSR Panel Systems.

Health, Safety & Personal Protective Equipment (PPE)

Hebel AAC products are cement-based, which may irritate the skin, resulting in itching and occasionally a red rash. The wearing of gloves and suitable clothing to reduce abrasion and irritation of the skin is recommended when handling Hebel AAC products.

Approved respirators (AS/NZS1715 and AS/NZ1716) and eye protection (AS1336) should be worn at all times when cutting and chasing. Refer to the Hebel Material Safety Data Sheets (MSDS).

For further information contact CSR Panel Systems or visit the website: hebelaustraliacom.au.

Cutting

The use of power tools when cutting masonry products may cause dust, which contains respirable crystalline silica, with the potential to cause bronchitis, silicious and lung cancer after repeated and prolonged exposure. When using power or hand tools, on Hebel products, wear a P1 or P2 respirator and eye protection. When cutting, routing or chasing Hebel products with power tools, use dust extraction equipment and wear appropriate hearing protection. Refer to the appropriate Hebel MSDS.

For further information, contact CSR Panel Systems or visit the website: hebelaustralia.com.au
Reinforcement exposed during cutting is to be coated with a liberal application of Hebel corrosion protection paint.

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