Batten Seam – Roofing Group Pty Ltd

ZINC, COPPER, ALUMINIUM, COLORBOND, CORTEN & STAINLESS STEEL

BATTEN SEAM FOR ROOFING & CLADDING

The batten seam system is the most traditional tray roofing system with a raised 40mm high seam and 50mm wide batten cap for chunkier wider looking seams. A traditionally old technique used for hundreds of years throughout Europe now modernised for more contemporary designs. It reflects the individual concerns for both light and shadow and produces designs that have a modern yet historical perspective.

Not commonly seen in our market, the system provides time efficient project installation and pronounced seam definition, not achievable with any other profile.

BATTEN SEAM SYSTEM BUILDUP

INSTALLATION

All fixings are concealed using galvanised steel clips that allow for expansion and contraction in the roof panels. The pan widths are customisable using our state of the art manufacturing equipment. All Batten Seam applications must use a construction grade substrate. When working with zinc, on wall cladding applications a 20 mm continuous ventilation gap beneath the substrate, and a 40 mm gap on roof installations, must be allocated (note this is for zinc only). The substrates should be wrapped in a waterproofing membrane before cladding panels are laid. Minimum 3 degree pitch required for roofing.

FEATURES & BENEFITS

Traditional wide 50mm batten cap for enhanced shadow effects

Available from 3 degrees roof pitch through to vertical

Can be used horizontally or vertically on walls

Allows for material expansion and contraction and building breathability

Superior wind loading capacity due to additional strength provided by timber battens

OUR EXPERTISE

We work closely with architects during the design stages to share our expertise on installation and technical details. From traditional to contemporary applications, our aluminium, zinc and copper roofing and cladding solutions are specified based on their durable, sustainable and virtually maintenance-free nature that need to withstand the elements and protect those within. Being corrosion resistant, non-combustible, architecturally appealing, their outstanding list of benefits just can’t be beaten.

MATERIALS

VMZINC

Composed of very high quality zinc (at least 99% pure) alloyed with copper and titanium to make it harder and stronger, increasing both mechanical and creep resistance.

Lifespan of 50–80 years, depending on exact location.

Continues to develop a natural protective layer (or patina) as it ages, self-repairing any marks and scratches throughout its lifetime.

COPPER

Lifespan of 70–100 years, depending on exact location.
As a result of surface oxidisation caused by weathering, copper forms a protective barrier (patina) that resists further corrosion and extends its life.
This results in ongoing colour changes depending on the environment – from blue-green to nut-brown.

ALUMINIUM

Superior quality aluminium, produced In Europe and available for use in all our panel systems.
Lifespan of 40–60 years, depending on exact location.
Pre-painted using a PVDF paint system, using at least two layers to produce a minimum paint thickness of 27 microns.
Can be used in areas without direct rainfall with no corroding or discolouring.

COLORBOND

Manufactured in Australia to Australian Standards (AS1397 and AS/NZS 2728) and tested in some of the harshest Australian conditions over the last 50 years, genuine COLORBOND® steel is far more than just ‘paint on steel’.

The COLORBOND® steel range has been developed to give great design versatility and to suit a wide range of environments. And the new COLORBOND® steel Matt range of colours create a softer, more subtle look that is both understated and contemporary.

The steel base is manufactured to meet relevant Australian Standards, ensuring strict adherence to the required grade and strength.

CORTEN

Often called “weathering steel”, Corten steel panels form a stable rust-like appearance if exposed to the weather for several years.
This protective surface layer, or patina, is produced by Corten’s metal panel chemical composition and produces anti-corrosive properties superior to many other structural steels.

INSTALLATION & TECH SPECS

MATERIAL

VMZINC

COPPER

ALUMINIUM

COLORBOND

CORTEN

THICKNESS

Minimum 0.7mm

Minimum 0.6mm

Minimum 0.7mm

Minimum 0.55mm

PANEL WIDTH

380mm for 45mm batten

DIRECTION

Horizontal, Vertical

ROOF OR WALL STRUCTURE

Must consist of continuous roof or wall top hats (rafters or studs) at max 600mm spacing. Minimum 3 degree pitch required for roofing.

SUBSTRATE

18mm plywood for roofing and 15mm plywood for cladding.

UNDERLAY

Breathable waterproofing membrane for both roofing and cladding

FIXINGS

No visible fixings. Galvanised fasteners used under.

VENTILATION

40mm continuous air gap must be beneath the plywood substrate for ventilation for all VMZINC installations. It is recommended to be used on all other metals when using plywood substrate.

DOWNLOADS

Metal cladding/roofing and especially lengthy flat-span sheet-metal panels often will exhibit waviness, commonly referred to as “oil-canning.” The degree of oil-canning and the appearance of the panels will vary depending on factors such as the length and colour of the panels, alloy, gauge, substrate condition and exposure to sunlight. Oil-canning pertains to aesthetics and not the performance of the panels and is not controlled by the contractor. The type of metal roofing panels specified can affect the degree of oil-canning. Roofing Group is not responsible for oil-canning or aesthetics. Oil-canning shall not be grounds to withhold payment or reject panels of the type specified. For more information please contact Roofing Group.