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timber wall cladding

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5 Series Doors

Roller Door Jamb
(AS-7.2.B)

Note
All panel fixings to be 10g x 75mm class 3 screws or 75 x 3.15 ø or 3.75 ø class 3 ring shank nails with QT Buttons at 225mm centres as per technical manual section 2. Batten fixings should be class 3 and as section 2 of the technical manual.

Sliding Door
Door Head (AS-7.5.B)

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3.0 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 + Sarking 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 Cavity 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+Ctr
401 8mm Render in Texture Coat and Paint250mm Hebel PowerBlock 10mm Gyprock 268 mm 2.1 48 43
402 8mm Render in Texture Coat and Paint250mm Hebel PowerBlock 28mm furring channels @600mm centres 10mm Gyprock 296mm 2.3 51 43
403 8mm Render in Texture Coat and Paint250mm 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 Paint250mm Hebel PowerBlock 28mm furring channels @600mm centres Reflective foil 10mm Gyprock 296mm 2.6 51 43
405 8mm Render in Texture Coat and Paint250mm 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 Paint250mm Hebel PowerBlock 8mm Render in Texture Coat and Paint 216mm 2.1 48 43

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4.0 Fire

Hebel AAC has a BCA Group Number 1. Hebel PowerBlock walls satisfy BCA 2008 Vol.2 Clause 3.7.1.5 (a) (iii) masonry construction and therefore suitable for boundary wall construction on a Class 1 building.

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8.0 System Components

Products

Hebel stocks many of the products and materials required to construct your Hebel home.

Product Description Product Description
  Hebel Thermoblocks

50mm – 300mm (25mm
increments)

Hebel Adhesive
20 kg bag

Used for gluing
the blocks together
at vertical and
horizontal joints

 

Sill blocks

600x200x50mm
thick or 100mm
thick, 30º slope

 

PowerFloor Panels

1800mm x 600mm x 75mm

Hebel Mortar 20 kg bag

Used as thick bed
mortar base to
provide a level
base for the
first course

  Custom PowerFloor
Panels

150mm – 250mm x 600mm
by up to 6m

Hebel Lintels

To suit openings
up to 5m

Hebel HighBuild
render 20kg bag

Used as a preparation
coat to level surface
providing an even
true surface

 

Stair treads

300mm x 175mm x 1m or 1.2m

Control joint tie

Used at every
third course in
control joints

Hebel Patch
10kg bag

Used to prepare
minor chips or
damage to blocks

 

Sliding joint tie

Fixed to RHS/SHS
column every
second course

 

Corrosion Protection Paint

To coat exposed
reinforcement during cutting

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15.0 Construction Details – Tie-down

Required only if specified by design /project engineer

Fig 15.1:  Strip Footing, Double Brick Sub-Floor

 

Fig 15.2:  Strip Footing, Concrete PowerBlock Sub-Floor

Tie down rods/engineering restraints must be embedded into the footing and pass up through the sub floor and into the Hebel PowerBlock work.

Table 15.1 Top-Plate & Hold-Down selection

Wind
Classification
Top Plate & Hold-Down
Tile Roof Sheet Roof
N1 A / B / C B / C
N2 A / B / C D / F
N3 D / F D / F
N4 D / F D / F
N5 E / G E / G
N6 E / G E / G
C1 D / F D / F
C2 E / G E / G
C3 E / G E / G
C4 G G
Legend
A 90×45 F7 timber top plate / 700mm deep strap @ 1200mm ctrs.
B 90×45 F17 timber top plate / 1700mm deep strap @ 2400mm ctrs
C 90×45 F17 timber top plate / Ф12mm rod @ 2400mm ctrs
D 90×45 F17 timber top plate / Ф12mm rod @ 1200mm ctrs.
E 90×45 F17 timber top plate / Ф12mm rod @ 900mm ctrs.
F 100x50x3.0 RHS top plate / Ф12mm rod @ 2400mm ctrs
G 100x50x3.0 RHS top plate / Ф12mm rod @ 1200mm ctrs.

 

Fig 15.3 Hold Down Detail for Reinforced Bracing Walls

Table 15.2 provides ultimate racking capacities of reinforced 150mm and 250mm Hebel PowerBlock walls. The reinforcement is N12 bar or 12mm threaded rod at nominal 1000mm centres. The reinforcement must be tied to the footings and wall top plate through the bond beam. Walls resisting racking forces should be evenly distributed within a house and spaced at a maximum of 8.0m. Ceiling and floor diaphragms must be adequately tied to walls to ensure transfer of forces through to the footings.For more information about bracing, refer to Section 6.11 of the Hebel Technical Manual.

Fig 15.4 Roof Top to Plate Fixing to Hebel Wall – Strap (elevation)

Top Plate Hold-Down

Two tie-down methods are provided in this design guide.

1. Strap – 30×0.8mm cut into inside face of external wall min. 700mm deep.
2. 12mm threaded rod continuous from footing through bond beam to top plate.

Fig 15.5 Roof Top Plate Fixing to Hebel Wall-Tie-Down Rod (elevation)

Three top plates options are provided in this design guide:

1. 90×45 F7 timber
2. 90×45 F17 timber
3. 100x50x3.0 RHS

The type of hold-down method and spacing depends on the top plate, roof type/span, and wind classification. Refer to Table 15.1 for specifications. For high wind areas, the bracing design is likely to require tie-down rods which will drive that as the hold-down method.

Table  15.2 Reinforced Wall – N12 Bars at Nom. 1000mm CTRS

Wall Length
(mm)
Min. No. of
N12 Bars
Ultimate Racking Capacity (kN)
150mm PowerBlock 250mm PowerBlock
900 2 5 6
1200 2 8 8
1800 3 16 18
2400 3 24 25
3000 4 36 38
3600 5 45 46
4800 6 54 56
6000 7 63 66

Base of Wall

Fig 15.6 Hebel PowerBlock work on Stiffened Raft Slab Edge Foundation (elevation)

 

Fig 15.7  Concrete PowerBlock Sub-Floor Detail (elevation)

 

Fig 15.8  Double Brick Sub-Floor Detail (elevation)

 

Fig 15.9 Ring Beam Internal Non-Loadbearing Wall (elevation) (No tie down – as specified by design engineer)

 

Top of Wall

Fig 15.10 Roof Top Plate Fixing to Hebel Wall – Tie-Down Rod ( elevation)

 

Fig 15.11 Internal Hebel Load Bearing Wall and Timber Floor Frame Junction (elevation)

Wall Junctions

Fig 15.12  External Wall and Internal Partition Wall Junction  (plan)

 

Fig 15.13  External Corner with Control Joint (plan)

Control Joints

Fig 15.14 Control Joint detail (elevation)

 

Fig 15.15 Typical Bond Beam Control Joint – elevation (Location where no tie down required – as specified by engineer)

 

Fig 15.16 Typical Ring Beam Control Joint – elevation (Location where no tie down required – as specified by engineer)

 

Fig 15.17 Typical Control Joint – plan

 

Fig 15.18 Hebel PowerBlock work Typical Movement Joint Detail (elevation)

 

Fig 15.19 Hebel PowerBlock work Typical Movement Joint Detail (plan)

 

Fig 15.20 Built-in Column Detail (plan)

 

Fig 15.21 Built-in Column Detail (elevation)

 

PLEASE NOTE:
For all other design details (eg. door, window, floor panels) please follow the previous construction details in Section 14.0)

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Appendix A – Carpet Installation

Panel Surface Preparation

Sweep the floor surface to remove debris and loose particles. Expose all surface blemishes such as chips, cracks, gaps, ridges or the like. Fill all unacceptable locations with an appropriate and compatible patching compound such as Hebel® Patch or levelling compound as required. Ensure panels are then dry.

Carpet Smooth Edge Installation

Installation of Carpet Smooth Edge (Gripper) is to be in accordance with AS/NZS 2455.1:1995.

Installation of carpet gripper prior to laying carpet requires the use of specifically selected nails or course threaded screws. Standard fixings supplied with the carpet gripper are not suitable for fixing to Hebel® PowerFloor™ panels. Carpet gripper strips are available without factory supplied nails. For carpet gripper installation near the panel edge, only glue is recommended. If relying on glue only, the carpet can not be stretched until the glue is set after approximately 24 hours.

Table A.1 – Carpet Smooth Edge Fixings

Fixing Type Description Application
Method
Installation Notes
Twist Nails 51mm dome
head twist nail
Coil Nail Gun
(Refer to Fig A.1)
The head of the twist nail
should finish flush with
the surface of the gripper
strip
Screws Type 17 point
– course thread
No. 8g x 50mm
– Countersinking
screw
Makita 6834
Auto Feed
Screwdriver
(Refer to Fig A.2)
The head of the twist nail
should finish flush with
the surface of the carpet
gripper strip
Screws Type 17 pointTrimhead deck
Screw.
4.2 x 50mm
4.2 x 65mm
Quickdrive auto feed The head of the screw
should be flush with the
smooth edge

Underlay Installation

Minimum medium duty underlay is to be used. No other special requirements.

Carpet Installation

As per carpet manufacturer’s guidelines.
No other special requirements.

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