On Tuesday, May 16, 2017 at 11:04:41 AM UTC-4, Papa3 wrote:
On Monday, May 15, 2017 at 11:42:11 PM UTC-4, Paul Villinski wrote:
Rather than conventional layers of fiberglass cloth, it's constructed from a single layer of "Parabeam," a fabric that has two layers of fiberglass spaced a few milimeters apart by multiple perpendicular strands creating a kind of shear web between the two sides.

Parabeam looks like an interesting material. One question though - how is it repaired? A little online Googling for terms like "how to repair Parabeam glass fiber" didn't turn up much.

P3

In a word- painfully.
UH