The Ontario Building Code | Support of Insulation
9.29.5.4. support of insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation
(1) gypsum board supporting insulation shall be at least 12.7 mm thick.
9.29.5.4. support of insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation
(1) gypsum board supporting insulation shall be at least 12.7 mm thick.
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