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Granger Plastics Company
1600 M.A.D.E. Industrial Drive
Middletown, OH 45044
(866) 510-9701 Toll Free
(513) 424-1955 Phone

industry leading storm shelter features

Industry leading lifespan. Unlike many shelters manufactured from antiquated technology, the Granger ISS provides a lifespan in excess of 1,000 years!

Multi-layer polymer door, offering a lifetime replacement warranty. Exceeds both FEMA 320 and FEMA 361 Debris Impact Standards.

Double Wall, Foam Filled Polymer construction! The Granger ISS is the ONLY shelter that offers double wall foam filled construction for durability and condensation!