The Ontario Building Code | Installation of Thermal Insulation

9.25.2.3. installation of Thermal insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation

(1) insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation shall be installed so that there is a reasonably uniform insulating value over the entire face of the insulated area.

(2) insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation shall be applied to the full width and length of the space between furring or framing.

(3) Except where the insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation provides the principal resistance to air leakage, thermal insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation shall be installed so that at least one face is in full and continuous contact with an element with low air permeance.

(4) insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation on the interior of foundation walls enclosing a crawl space shall be applied so that there is not less than a 50 mm clearance above the crawl space floor if the insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation is of a type that may be damaged by water.

(5) insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation around concrete slabs-on-ground shall be located so that heat from the building is not restricted from reaching the ground beneath the perimeter, where exterior walls are not supported by footings extending below frost level.

(6) Where insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation is exposed to the weather and subject to mechanical damage, it shall be protected with not less than,

(a) 6 mm asbestos-cement board,

(b) 6 mm preservative-treated plywood, or

(c) 12 mm cement parging on wire lath applied to the exposed face and edge.

(7) Except as permitted in Sentence (8), insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation and vapour barrier shall be protected from mechanical damage by a covering such as gypsum board, plywood, particleboard, OSB, waferboard or hardboard.

(8) In unfinished basements, the protection required in Sentence (7) need not be provided for mineral fibre insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation, provided it is covered with polyethylene vapour barrier of at least 0.15 mm in thickness.

(9) insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">insulation in factory-built buildings shall be installed so that it will not become dislodged during transportation.