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PermaTherm Manufacturing Tolerances for Insulated Metal Panels

Length up to 20 ft: ± 1/8 in.

Over 20 ft.: ± 3/16 in.Width ± 1/8 in.

Thickness ± 1/8 in.

Squareness ± 1/8 in. (measured 6 in. from end)

Lateral Bow

  • Up to 10 ft. ± 3/32 in.
  • 10 ft. to 20 ft.: ± 3/16 in.
  • Over 20 ft.: ± 3/8 in.

Flatness ± 3/16 in. per 2 ft. span

Joints

  • Male/female joint edges flush with not more than 1/8 in. deviation

Finish panels are free of surface imperfections (dents, mars, scratches, etc.) and visible with panel in position of intended use and view under good light from intended installed distance or 8 ft., whichever is greater.