Client Owens Corning® (OC™) Product Owens Corning® Lumber - Structural Composite Posts Owens Corning Lumber Structural Composite Posts 4 x 4 Owens Corning Lumber Structural Composite Posts 6 x 6 QR Code Number DL 2307-07 Issue Date Wednesday, Sep 13, 2023 Updated Date Thursday, Sep 18, 2025 No. Sort descending Report Size DL 2307-07 Report PDF Sealed PDF 747.57 KB