Construction codes of Ontario

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Site-Built Windows, Doors and Skylights

Site-Built Windows, Doors and Skylights – Application and Compliance (1) Materials, design, construction and installation of windows, doors and skylights that separate conditioned space from unconditioned space or the exterior but that are not within the scope of AAMA/WDMA/CSA 101/I.S.2/A440, “NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights” shall, (a) conform to, […]

Skylights

Skylights Skylights are windows designed and manufactured for installation in a roof assembly. They must be installed carefully because they are exposed to severe climatic conditions and their remote location makes them difficult to maintain. Skylights must be securely attached to the roof framing and sealed to the air barrier system in the roof, at […]

Solid Core Wood Door as a Closure

(1) A 45 mm thick solid core wood door is permitted to be used where a minimum fire-protection rating of 20 min is permitted or between a public corridor and a suite provided the door conforms to CAN/ULC-S113, “Wood Core Doors Meeting the Performance Required by CAN/ULC-S104 for Twenty Minute Fire Rated Closure Assemblies”. (2) Doors […]

Steel Beams Maximum Allowable Spans Supporting Masonry Veneer, m(1), (2)

Steel Beams Maximum Allowable Spans Supporting Masonry Veneer, m(1), (2) Table 9.20.5.2.C.Maximum Allowable Spans for Steel Beams Supporting Masonry Veneer, m(1), (2) Forming Part of Sentence 9.20.5.2.(6) Notes toTable 9.20.5.2.C.: (1) These spans assume that the beam supports the veneer, a wood stud wall and a maximum specified roof live load of 2.3 kN/m. (2) Where the […]

Termite and Decay Protection

(1) In localities where termites are known to occur, (a) clearance between structural wood elements and the finished ground level directly below them shall be not less than 450 mm and, except as provided in Sentence (2), all sides of the supporting elements shall be visible to permit inspection, or (b) structural wood elements, supported […]

Top Plates

Top Plates (1) Except as permitted in Sentences (2) to (4), no fewer than two top plates shall be provided in loadbearing walls. (2) A single top plate is permitted to be used in a section of a loadbearing wall containing a lintel provided the top plate forms a tie across the lintel. (3) A single […]

Travel Limit to Exits or Egress Doors for Dwelling Units

Travel Limit to Exits or Egress Doors for Dwelling Units (1) Except as provided in Sentences (2) and (3), every dwelling unit containing more than 1 storey shall have exits or egress doors located so that it shall not be necessary to travel up or down more than 1 storey to reach a level served by, […]