Understanding Oil Canning

What two metal panel product characteristics increase the perceived intensity of oil canning?

Dark colors

Standing seam height

High-gloss finishes

Oil canning does impact the structural integrity of the panel system.

True

False

What are the two most common causes of oil canning?

Misalignments

Inclement weather

Mishandling of the metal panels

Substrate irregularities

Metal panels may reach surface temperatures exceeding ambient air sometimes by more than 100°F.

True

False

From a design strategy perspective, what are the three most effective means by which to mitigate the possibility of oil canning?

Specify thicker gauges

Design for mechanically seamed panels

Incorporate striations

Design for Buy American

Specify low gloss finishes

Which gauge of steel is widely regarded as the standard for balancing value and performance: 26, 29, or 24-gauge?

29-Gauge

26-Gauge

24-Gauge

Steel expands twice as much as aluminum.

True

False

What is the design strategy to mitigate the surface heating of a metal roof panel?

Specify Cool Roof Colors

Require a recycled content of greater than 30%

In storing metal panels prior to installation, placing them on blocks of treated wood is acceptable.

True

False

Choose the type of improper fastener installation that is a significant contributor to oil canning.

Off-center fastener

Panhead fastener

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