scope:

This Standard applies to random width Northern Pine tapersawn shakes manufactured from jack pine (Pinus banksiana Lamb.) and/or lodgepole pine (P. contorta Dougl. var. latifolia Engelm). 

This Standard specifies minimum requirements for Northern Pine shakes in terms of sizes, manufacturing tolerances, characteristics allowed, pressure preservative treatment, packaging, and identification.

The basic requirements for an appropriate conformity assessment program, including reinspection recommendations, and recommendations for installation and fire retardant treatment are contained in appendices.

The values given in imperial units are the standard. The values given in SI units in parentheses are for information only.