Guard Rail Post Materials

Tri-State Lumber Co.’s timbers are manufactured from Southern Yellow Pine and have the strength and superior treat ability characteristics to fit the needs and meet the requirement of almost every state. Our posts are manufactured with either a smooth surface (S4S) or rough sawn. We pressure treat with CCA or U_CAC. Specifications for posts and blocks vary significantly from state to state. American Timber and Steel specializes in meeting those specifications for each individual state.

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