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Preservative treated dimension lumber shall be identified as required by Section R317.2.

Related Code Sections

R317.2.1 Building Planning, Required Information
The required quality mark on each piece of pressure-preservative-treated lumber or plywood shall contain the following information: Identification ...
R406.3.2 Foundations, Below-Grade Moisture Barrier
to the sheathing to form a seal. Film areas at grade level shall be protected from mechanical damage and exposure by a pressure-preservative treated lumber ...