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appearing on this website,
JH Stephenson & Son Pty Ltd accept no responsibility for the accuracy of the information supplied.
Oil Canning
M

Oil Canning is a characteristic that is inherent in thin gauge ferrous and non ferrous metals. Internal stresses in the material can cause a wavy surface on wide flat panels and cannot be removed during the roll forming process. Oil Canning is more apparent at certain times of the day when direct sunlight can highlight the condition, especially on wide flat pans.
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standing seam metal roof and wall cladding

There are examples of Oil Canning which could be present on your project and, if that effect
is not suitable, alternate cladding should be used.
OIL CANNING IS NOT A REASON TO REJECT PANELS

VIEW BROCHURE

To minimise the effect of Oil Canning the designer should consider the following
to get the best aesthetic outcome.
• Battens and substrate must be flat and in one plane to avoid inducing Oil Canning.
• Colour choice. Consider Matt finish or light colours.
• Reduce the pan widths, rather than wide flat pans.
• Short lengths in the vertical plane to recommended maximum lengths, rather than long horizontal runs.
• Fasteners not to be overdriven.
• Use thicker gauge panel material where available.
• Striations to the pan make the pan more rigid.
• Use only experienced, trained installers.
• A polystyrene backing rod or other shimming material can be used over solid substrate to flex the pan uniformly, relieving stress and reducing the visual effect of oil canning.