Eurotray^® Angle Seam

Eurotray® Angle Seam Performance

Looking to add interest to your design or project? Consider the bold look that Eurotray® Angle Seam offers. This member of the Eurotray® family lends itself well not only as a striking roofing profile – but as an exceptional wall cladding solution as well. In cladding situations, Angle Seam can be run both vertically and horizontally. Can also be curved.

Short sheet and flashing considerations

Unless specified otherwise short sheets and flashings will usually be made on an automatic bending Raz machine.

Ensure to state on the order "manual folding required to 10mm minimum bend" when ordering short sheets or flashings because some manufacturing locations have Raz machines with 11-12mm minimum bends.

Sheet Tolerances
Sheet width: ±5mm
Sheet width for aluminium +0, -15mm. If sheet cover widths are critical, advise Dimond Roofing at time of order.
Sheet length: +10, - 0mm. For horizontal wall cladding where notified at time of order of intended use, tighter tolerances can be achieved +3, -0.

Roll-forming facilities at: Auckland, Christchurch and Invercargill

Curving facilities: Machine is transportable. For curving restraints check with the local RoofingSmiths.

Sheet lengths: Eurotray® is custom run to order.

Where long sheets are used, consideration must be given to:

• Special transportation licences
• Should be run on-site
• Site access for special lifting equipment
• Fixing techniques to accommodate thermal expansion

Oil Canning

Oil Canning is the visible waviness in the flat areas of metal roofing and walling. Oil canning produces an aesthetic effect inherent in standing seam tray profiles and profiles/flashings with wide flat elements. It does not cause detriment to product performance.

Oil canning can occur during the forming and installation processes and during thermal expansion of the roof sheeting during its life cycle. The effect can be more or less pronounced depending on differing light and sun angle conditions and the coating gloss levels.

For fully supported standing seam tray profiles, oil canning can be reduced by the vented roof underlay (e.g. Tyvek Metal), in addition, backer rods under the tray can also be used.

There are several options to reduce the oil canning effect in tray-type profiles and flashings, for example,

a) increasing the thickness of the material,

b) using stiffening swages in wide flat elements and

c) limiting flat elements to less than 150mm width.

For further information, please refer to the New Zealand Metal Roof and Wall Cladding Code of Practice, Section 12.3.