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