O118.3-93 (R2018)

1.1 This Standard applies to random width Northern Pine tapersawn shakes manufactured from jackpine (Pinus banksiana Lamb.) and/or lodgepole pine (P. contorta Dougl. var. latifolia Engelm). 1.2 This Standard specifies minimum requirements for Northern Pine shakes in terms of sizes, manufacturing tolerances, characteristics allowed, packaging, and identification. 1.3 The basic requirements for an appropriate conformity assessment program, including reinspection recommendations, and recommendations for installation, pressure preservative treatment, and fire retardant treatment are contained in appendices. 1.4 The values given in imperial units are the standard. The values given in Si units in parentheses are for information only.