9.3.2.1.Grade Marking

(1) Lumber for joists, rafters, trusses and beams and for the uses listed in Table 9.3.2.1. shall be identified by a grade stamp to indicate its grade as determined by the NLGA, “Standard Grading Rules for Canadian Lumber.” (See Note A- 9.3.2.1.(1)) Table 9.3.2.1. Minimum Lumber Grades for Specific End Uses Forming Part of Sentences 9.3.2.1.(1) and 9.3.2.2.(1) Boards(1) Framing Paragraph in the NLGA Grading Rules Under Which Boards are Graded Use Eastern White Pine All Species All Species & Red Pine Para 113 Para 114 Para 118 Stud, Standard, Stud wall framing (loadbearing members) — — — No. 2 Stud wall framing (non-loadbearing members) — — — Stud, Utility, No. 3 Plank frame construction (loadbearing members) No. 3 Common — No. 3 Common No. 2 Plank frame construction (non-loadbearing members) No. 5 Common — No. 5 Common Economy, No. 3 Post and beams less than 114 mm in thickness — — — Standard, No.2 Post and beams not less than 114 mm in thickness — — — Standard Roof sheathing No. 3 Common Standard No. 4 Common — Subflooring No. 3 Common Standard No. 3 Common — Wall sheathing when required as a nailing base No. 4 Common Utility No. 4 Common — Wall sheathing not required as a nailing base No. 5 Common Economy No. 5 Common — Notes to Table 9.3.2.1.: (1) See Note A-Table 9.3.2.1.