Andi Lyons |
Structural Fiberglass and Its Applications |
Structural fiberglass consists of glass fibers and polyester resins combined in a variety of cross-sectional shapes once available only in steel or aluminum. The available shapes include round and square tube, I-beam, angle, channel, rod, bar, and flat sheet. For most theatrical needs, the standard series 500 is sufficient. Although this series is not inherently fire-retardant, it can be treated in the same manner as lumber to achieve flame retardancy. If flame retardancy is critical, the more expensive series 525 possesses the same physical properties as the standard series.
The most immediately obvious advantage of structural fiberglass is its relative weight: it is almost 80% lighter ...
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