3/15/2024 0 Comments Lvl beam span table ontario![]() ![]() Roof strut to loadbearing wall – toe nailģ8 mm × 140 mm or less plank decking to support Rafter to ridge board – toe nail – end nailĬollar tie lateral support to each collar tie Roof rafter, roof truss or roof joist to plate – toe nail Horizontal member over openings in non- loadbearing walls – each endĬeiling joist to plate – toe nail each end Joist to joist splice (See also Table 9.23.13.8.)Įach header joist to adjacent trimmer joistĭoubled studs at openings, or studs at walls or wall intersections and cornersīottom wall plate or sole plate to joists or blocking (exterior walls) (1) Wood or metal strapping to underside of floor joistsįloor joist to stud (balloon construction) Minimum Number or Maximum Spacing of Nails Iv)fastened at each end with at least two 63 mm nails. Iii)spaced not more than 1.2 m apart, and To the floor framing by nails or staples conforming to Article 9.23.3.5., orī)tying the wall framing to the floor framing by galvanized-metal strips Or blocking in conformance with Table 9.23.3.4., the exterior wall is permitted to be fastened to the floor framing byĪ)having plywood, OSB or waferboard sheathing extend down over floor framing and fastened Nailing of Framingġ) Except as provided in Sentence (2), nailing of framing shall conform to Table 9.23.3.4.Ģ) Where the bottom wall plate or sole plate of an exterior wall is not nailed to joists Of the grain and by keeping nails well in from the edges. Prevention of Splittingġ) Splitting of wood members shall be minimized by staggering the nails in the direction Length of Nailsġ) All nails shall be long enough so that not less than half their required length penetrates Wire nails or common spiral nails, conforming to CSA B111, “Wire Nails, Spikes andĢ) Wood screws specified in this Section shall conform to ANSI/ASME B18.6.1, “Wood Screws ![]() Standards for Nails and Screwsġ) Unless otherwise indicated, nails specified in this Section shall be common steel Lumberġ) Lumber shall conform to Subsection 9.3.2. Protection from Dampnessġ) Except as permitted in Sentence (2), wood framing members that are not pressure-treated with a wood preservative and that are supported on concrete in contact with the ground or fill shall be separated from the concrete by not less than 0.05 mm polyethylene film or Type S roll roofing.Ģ) Dampproofing material referred to in Sentence (1) is not required where the wood member is at least 150 mm above the ground. Or a 12 mm air space shall be provided at the end and sides of the member.Ģ) Air spaces required in Sentence (1) shall not be blocked by insulation, vapour barriers or airtight materials. Protection from Decayġ) Ends of wood joists, beams and other members framing into masonry or concrete shallīe treated to prevent decay where the bottom of the member is at or below ground level, Strength and Rigidityġ) All members shall be so framed, anchored, fastened, tied and braced to provide the ![]() )Ģ) Where the conditions in Sentence (1) are exceeded for wood constructions, the design of the framing and fastening shall conform to Subsection 4.3.1. Limitations (See Appendix A.)ġ) This Section applies to constructions where wall, floor and roof planes are generallyĬomprised of lumber frames of small repetitive structural members, or engineered components,Ī) roof and wall planes are clad, sheathed or braced on at least one side,ī) the small repetitive structural members are spaced not more than 600 mm o.c.,Ĭ) the constructions do not serve as foundations ,ĭ) the specified live load on supported subfloors and floor framing does not exceed 2.4 kPa, andĮ) the span of any structural member does not exceed 12.20 m. ![]()
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