Timber Battens
Curved Timber Battens
Mounting & Backing Options
Typical Set ups
Compliance & Certification
Technical Documents
Profiles & Sizes
Click-on Battens are available in the following sizes in Block, Flute and Dome profiles. For larger projects, custom sizes and profiles can be created upon request. Please contact us for more information.
Block
Dome
Flute
Species & Coatings
Need help selecting the right timber coating for your project? Our comprehensive guide explains everything you need to know about finishes and how timber naturally varies in colour.
While we aim to reproduce colours as accurately as possible, we strongly recommend requesting product samples before making your final selection. Timber is a natural material, and each species has its own unique features and colour variations. Although we manufacture our products with consistency in mind, samples may not fully represent the variation that can appear across an entire project.
Please Note: Natural Accent – Clear Exterior only available on request for Spotted Gum.
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Length Options
Timber battens are available in a range of length options to suit on-site needs.
Random Lengths
The most common form of timber supply with a length spread of 1.2m - 3.6m, with an average of 2.4m. Random length is supplied by default unless specified otherwise.
It is generally the most cost-effective way of procuring timber. All battens are supplied end-matched and must span across two clips. Battens are joined with our Sculptform Batten Joiner.
Set Lengths
Set length is used where a quantity of the same lengths are required for your project. Offered in lengths between 1.2m and 3.6m, set lengths are always supplied slightly over length to allow for onsite trimming.
Exact Length
Cut to exact length is similar to the 'Set Length' option, but with trimming to an accuracy of ±1mm. Accurate onsite measure required to prevent issues with uneven walls and ceilings.Batten Spans
For timber battens spans - max 600mm.
For external applications, site specific windloads would need to be considered.
Steam Bending vs Kerfing
Steam bending is ideal for consistent, tight radii, while kerfing is better suited for larger or more organically flowing curves with continually changing radii.
Steam Bending
Kerfing
Curved Profiles & Sizes
Steam Bending
Not all profiles in our standard range are suitable for steam bending due to limitations in size and shape. Timber species also influence which profiles can be used. Please refer to the steam bending parameters table below for confirmation. Please contact us for more information.
Block
Dome
Kerfed
Kerfing is not suitable for all timber profiles in our range. The profiles listed below have been tested and are proven to perform well with this curving method.
Block
Curve Direction Options
Timber can be curved in two different directions — concave and convex. With a concave curve, the timber bends inward like it’s “caving” in, and the groove for our clip connection sits on the outside of the batten. In contrast, a convex curve bends outward, with the clip groove located on the inside of the batten.
A helpful way to remember the difference: concave “caves” in, while convex curves out.
Steam Bending Radii
Each radius requires specialised equipment (formers) in order to produce the curved timber battens. To save on costs, we offer a range of radii as standard. Any custom radius within the parameters can be achieved, contact us to discuss your specific project requirements. Please also refer to the steam bending parameters table below.
Standard Inner Radii |
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| 300mm | 400mm | 500mm | 600mm | 700mm | 800mm | 1000mm |
An important design consideration when working with timber is its natural variability, physical properties can differ by 30% or more. Factors such as moisture content, lignin structure, and fibre variation across the timber section and along its length all affect how the material responds to bending. As a result, the final bend angle can vary by up to 3 degrees due to a phenomenon known as spring back.
Bending Parameters
Steam Bending
The most important restriction with steam bent timber is the radius of the curve. Each timber species and profile combination performs differently when curved, with the minimum and maximum parameters for each shown in the table below. Customised solutions are available. Please contact us to discuss your specific project requirements.
American Oak |
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| Profile/Size | Max angle | Min. Inner Radius (Concave) |
Min. Inner Radius (Convex) |
Max. Radii at 90° |
| Block 30x19mm | 90° | 300mm | 300mm | 1000mm |
| Block 40x19mm | 90° | 300mm | 300mm | 1000mm |
| Block 60x19mm | 90° | 300mm | 300mm | 1000mm |
| Dome 30x19mm* | 90° | 300mm | 300mm | 1000mm |
| Block 30x30mm | 90° | 500mm | 500mm | 1000mm |
| Dome 30x30mm* | 90° | 500mm | 500mm | 1000mm |
* Dome has a subtle flat spot on top due to the nature of the steam bending process.
Spotted Gum |
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| Profile/Size | Max angle | Min. Inner Radius (Concave) |
Min. Inner Radius (Convex) |
Max. Radii at 90° |
| Block 30x19mm | 90° | 700mm | 700mm | 1000mm |
| Block 30x19mm* | 90° | 700mm | - | - |
| Block 40x19mm | 90° | 700mm | 700mm | 1000mm |
| Dome 60x19mm | 90° | 700mm | 700mm | 1000mm |
* Dome has a subtle flat spot on top due to the nature of the steam bending process.
Kerfing
Minimum Bending Radius (inner)
The minimum inner radius that can be formed by kerfing is 1.5 meters.
Join Line Options
While steam bent timber lessens the number of joins required for a curved application, some joins are still required. Find our options for join lines below.
Aligned Joins
Aligned joins maintain the join line throughout the wall or ceiling, ensuring consistency.
Staggered Joins
Staggering the joins in the curved timber can lessen the disruption to the aesthetic, making it a perfect option for a ‘seamless’ look. 2 – 3 alternating curved battens are supplied, allowing the joins to be located at different locations which helps to blend the join line. The length of your required curved battens could affect your ability to achieve this. Please refer to our length section below.
Lengths
Our curved timber process limits the lengths of timber achievable. The maximum length achievable is 1800mm, where the minimum length is 1000mm. This can be trimmed on-site to suit requirements.
Mounting Options
Mounting Tracks are batten carrier rails that come to site with factory-fitted batten clips for speed and accuracy.
Standard Track
45mm wide x 25mm deep
Suitable for interior and exterior applications. Features a specially designed groove for acoustic backing.
Slim Track
25mm wide x 25mm deep
Designed for exterior applications when no acoustic backing is required. Streamlined for water drainage with a sleek look. Can also be used for interiors when no acoustic backing is required.
Curving Track
45mm wide x 17mm deep
Supplied to site flexible and used to curve around the existing form.
Note: For interior use only.
Trackless
Using direct fix clips, battens can be mounted directly to a substrate for a minimalistic look.
Split Track
35mm wide x 25mm deep
The versatile Split Track is designed to be able to fit large head masonry fixings and allow for onsite in/out tolerance.
Suspended Ceiling Track
45mm wide x 32mm deep
Only suitable for suspended ceilings. Designed to snap into standard suspended ceiling systems and replaces the furring channel.
Clip Types
Sculptform have a range of clip types that can be used in a variety of ways to help achieve your design intent.
Standard Clip
Factory fitted to Mounting Tracks.
Direct Fix Clip
For mounting battens directly to a substate.
Sliding Clip
Slides in the Mounting Track for onsite spacing adjustment.
Swivel Clip
Factory fitted to Mounting Tracks to accommodate angled battens.
Seesaw Clip
For sculptural applications where greater degrees of freedom is desired.Acoustic Backing
Our Acoustic backing panels are Group 1 fire rated and can be incorporated into our system to not only be a great acoustic solution but also replaces the need to plaster and paint a wall or ceiling behind the battens, saving time and money.
- Available Colours
- Black
- White
- Standard Sheet Size
- 585 x 2440mm (to suit 600mm mounting track spacing) 1185 x 2440mm (to suit 1200mm mounting track spacing)
- Thickness
- 7mm
- Acoustic Properties
- NRC 0.4 (when using 90mm air cavity) To see the acoustic performance of a specific design, use our Price & Spec tool.
Suspended Ceiling
Mounting Track Centres
Dependent on batten weight and other design loads imposed on the system. See span chart above for indicative track centres for budgetary purposes only (The data stated within are indicative only and may not be used as Evidence of Suitability). See Price & Spec tool for estimating the weight per square meter.
*Spacings of hanger/TCR is dependent on the weight of chosen batten configuration and project specific engineering requirements. We suggest consulting your suspended ceiling system provider for further information.
Spans
TCR Suspension System
Max allowable weight per square metre (kg/m2)
| Top Cross Rail (TCR) Centres | Mounting Track Centres | ||
| 600mm | 900mm | 1200mm | |
| 600mm | 48 kg/m2 | 26 kg/m2 | 10 kg/m2 |
| 900mm | 17 kg/m2 | 19 kg/m2 | 8 kg/m2 |
| 1200mm | 12 kg/m2 | NA | NA |
MF Suspension System
Max allowable weight per square metre (kg/m2)
| MF Channel Centres (B) |
Mounting Track Centres | |
| 600mm | 1200mm | |
| 600mm | 112 kg/m2 | 56 kg/m2 |
| 800mm | 45 kg/m2 | 22 kg/m2 |
| 1000mm | 23 kg/m2 | 12 kg/m2 |
| 1200mm | 13 kg/m2 | NA |
The data within these span tables are indicative only, and doesn’t account for project or site specific performance requirements.
The spans above consider the rigidity of the batten member only. They do not consider project specific engineering requirements such as wind load, seismic load, and other imposed actions. It is recommended that you have a qualified engineer to verify the design against the Engineering Specification for the project, prior to construction.
The capacities, material properties and core engineering assumptions behind these values are contained within the Product Technical Datasheet.
Your Click-on Batten weight can be estimated on our Price & Spec tool.
Cantilevers
The last mounting track should be no more than 100mm from the end of the battens when spacing between the battens is under 20mm. For sequences with spacing over 20mm, a maximum cantilever of 300mm is acceptable when using timber battens.
Straight Wall
Mounting track centres
Interior regulated environments – typically 600mm for timber battens (stud centres 600mm or less).* Exterior applications require additional load considerations such as wind load which impact on mounting track centres. Refer to our Product Technical Datasheet and consult with your project engineer.
*The data stated within are indicative only and may not be used as Evidence of Suitability.
Curved Wall
Curved walls are simple with the Click-on Batten system due to the specially designed curving mounting track.
As the track is kerfed to be easily manipulated to suit the curve, it requires support between the studs. The ply form used must be thick enough to support the track across the span and be able to accept a screw fixing, every 150mm – 200mm.
Please contact us for more information on using ply forms for curved walls. Note that all loads imposed on the system should be considered in the design of the ply form used to support the track. Depending on the width of the batten used, different minimum radii can be achieved (see below).
The following table is based on typical designs and assumes a single kerf between the battens. Tighter radii can be achieved through custom kerfing, including a double kerf undercut option. Contact us to find a solution for your specific design.
Minimum Curve Radii
The radius is measured to the top surface of the track.
NOTE: Curved tracks are not suitable for external use due to the additional loads imposed on the system.
Please contact us for further information to find an alternative solution.
- Batten Width
- 22mm
- 30mm
- 40mm
- 60mm
- Minimum Convex Radius*
- 450mm
- 500mm
- 650mm
- 550mm
- Minimum Concave Radius*
- 650mm
- 750mm
- 1000mm
- 850mm
Fire Resistance
See our Product Downloads for a full list of documents available for download or our Technical Documents below.
Australia/New Zealand
Group Rating:
- Group 3 according to NCC 2022 and AS 5637.1:2015
- Group 3 according to NZBC C/VM2
- Fireshield timber coatings are available to achieve Group 1 and 1-S. Contact us for more information. Download Codemark here.
Combustibility:
Deemed combustible according to AS 1530.1, NCC 2022 Vol 1 and NZBC C/AS2.
United States
ASTM E84:
- American Oak with Natural Accent Coating - Class A or 1.
- Spotted Gum: Class B or 2.
- Grandis: Class B or 2.
- Sansin FireStop99 Timber Coating available for Class A or 1.
United Kingdom
BS EN 13501-1 Classification:
- HR Prof Fire Treatment timber coating available. Download HR Prof Spec sheet.
Sustainability - Declare
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Sculptform is proud to offer products with Declare Labels, a transparency initiative that helps architects and designers make informed choices about materials. Declare Labels provide clear, accessible information on the ingredients used in our products, ensuring they meet strict sustainability standards. By choosing Sculptform, our customers can confidently specify materials that contribute to healthier, eco-friendly building environments, supporting their sustainability goals and aligning with green building certifications like LEED and WELL.
Our declaration is LBC RED LIST APPROVED.
This is defined as: products disclose a minimum of 99% of ingredients present in the final product and meet the LBC Red List Imperative requirements through one or more approved exceptions.
Sustainability - FSC/PEFC
- Timber Species
- Spotted Gum
- American Oak
- Grandis
- FSC®
- Not Available
- On Request
- On Request
- PEFC® / Responsible Wood®
- On Request
- Not Available
- Not Available
Downloads
Download brochures, product guides, and technical resources to help you design with Sculptform.
Product Technical Datasheet
Revit Library
Certification Documents
Species Datasheets
Maintenance
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The architecture is intended to act as a civic set piece in a street full of great buildings with enduring materials. It also must have a strong architectural form to register as a landmark when viewed from the levee bank, from neighbouring Lorn and the Belmore Bridge. We imagined a ‘sculptural gateway’ in which the material scale, grain and texture was consistent on all sides of the frame, even though the ceiling and walls couldn’t have been constructed from the same material.
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The finished product with the spotted gum Tongue & Groove Cladding achieved all the aesthetic objectives of the client and design team to great success. Everyone who has seen the ceiling in the house is completely amazed.
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The whole house came together with the use of the Click-on Batten system, blackbutt, Hillview granite stone, rammed earth walls and architecture of the house. From a distance, the timber gives the house a wow factor and shows all the precise angles and elevations.
