This document provides Product Category Rules (PCR) for the assessment of the life-cycle environmental performance of UN CPC 31600 "Builders' joinery and carpentry of wood, including cellular wood panels, assembled parquet panels, shingles and shakes" as well as for the declaration of such performance by an Environmental Product Declaration.

Any comments to this PCR document may be submitted through the Global PCR Forum or directly to the PCR moderator during the period of validity following approval.

This PCR partly replaces the old PCR for windows.