Gypsum Board Materials

Gypsum Board Materials (1)  Gypsum products shall conform to,     (a)   CAN/CSA-A82.27-M, “Gypsum Board”,     (b)   ASTM C1178 / C1178M, “Coated Glass Mat Water-Resistant Gypsum Backing Panel”, or     (c)   ASTM C1396 / C1396M, “Gypsum Board”. Article 9.29.5.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only
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Gypsum Board Maximum Spacing of Supports

Gypsum Board Maximum Spacing of Supports (1)  Maximum spacing of supports for gypsum board applied as a single layer shall conform to Table 9.29.5.3. Article 9.29.5.3. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only. GYPSUM BOARD FINISH Gypsum board is the most widely used interior finish because of its speed […]
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Gypsum Board Supporting Insulation

Gypsum Board Supporting Insulation (1)  Gypsum board supporting insulation shall be at least 12.7 mm thick. Article 9.29.5.4. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only. GYPSUM BOARD FINISH Although 9.5 mm (3⁄8 in.) thick gypsum board may be used on walls with support spacings up to 400 mm (16 […]
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Gypsum Products

Gypsum Products (1)  Gypsum products shall conform to,     (a)   CAN/CSA-A82.27-M, “Gypsum Board”,     (b)   ASTM C1178 / C1178M, “Coated Glass Mat Water-Resistant Gypsum Backing Panel”, or     (c)   ASTM C1396 / C1396M, “Gypsum Board”. Article 9.29.5.2. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.
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Hallway Width

Hallway Width (1)  The unobstructed width of a hallway within a dwelling unit shall be not less than 860 mm, except that the hallway width is permitted to be 710 mm, where,     (a)   there are only bedrooms and bathrooms at the end of the hallway furthest from the living area, and     (b)   a second […]
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Heat Flow Control

Heat Flow Control All assemblies that separate the conditioned environment from the unconditioned environment, including attached garages, must be insulated. This includes roofs, walls, foundations, windows and doors. The 2012 Interim Changes to the 2010 NBC regulate the “effective” insulation value for each assembly or component of the building envelope for six different Canadian climate […]
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Installation of Thermal Insulation

Installation of Thermal Insulation (1)  Insulation shall be installed so that there is a reasonably uniform insulating value over the entire face of the insulated area.     (2)  Insulation shall be applied to the full width and length of the space between furring or framing.     (3)  Except where the insulation provides the principal resistance to air leakage, […]
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