Frequently Asked Questions > What is the advantage of steel tornado shelters over fiberglass?

What is the advantage of steel tornado shelters over fiberglass?

Answer:

Fiberglass shelters are only available in underground variations and not intended to resist the pressures of the Earth and will, in most cases, crack. Similarly, there is not a known approved above ground fiberglass shelter because is won’t withstand the debris of an EF5 tornado.

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