O118.3-93 (R2023)

Preface

This is the first edition of CSA Standard 0118.3, Northern Pine Tapersawn Shakes.

This Standard establishes the minimum requirements for the manufacturing, grading, and packaging of one standard grade of wood roof and wall shakes manufactured from lodgepole pine or jackpine. It also covers the requirements for starter shakes and hip and ridge units of the same species which are required for installation of pine shake roof coverings.

Recommendations for the appropriate application of Northern Pine shakes are contained in the Appendices, together with recommendations for pressure preservative treatment and for fire retardant treatment.

This Standard was prepared by the Technical Committee on Wood Shingles and Shakes and its Subcommittee on Northern Pine Shakes, under the jurisdiction of the Standards Steering Committee on Forest Products, and was formally approved by these Committees.

Scope

1.1

This Standard applies to random width Northern Pine tapersawn shakes manufactured from jackpine (Pinus banksiana Lam b.) 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.

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