Small longitudinal ribs or channels rolled into the flat pan of a metal roof panel during manufacturing. These micro-creases stiffen the sheet metal across its width, breaking up the flat surface to hide minor buckling and reduce the visual distortion known as oil-canning.
Heard on the job
We ordered the standing seam with heavy striations because the architect was worried about oil-canning on the south elevation.
Also heard as
- striated panel