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Plymouth Foam Building Materials, is one of the nation's leading manufacturers of expanded polystyrene (EPS) products. The DuraSpec™ line of Building Products include a wide variety of products for both commercial and residential construction and numerous custom solution applications.

Building Products

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EPS has been long used as a mainstream insulation material, and is highly regarded for its energy efficiency. It is the only insulation material with an R-value that will not decrease with age. Additionally, EPS is lightweight, easy to install, durable, and resistant to rotting, mold and mildew.