(1)  The following minor combustible components are permitted in a building required to be of noncombustible construction:

    (a)   paint,

    (b)   self-adhesive tapes, mastics and caulking materials applied to provide flexible seals between the major components of exterior wall construction,

    (c)   fire stops conforming to Sentence and fire blocks conforming to Article,

    (d)   tubing for pneumatic controls provided it has an outside diameter not more than 10 mm,

    (e)   adhesives, vapour barriers and sheathing papers,

    (f)   electrical outlet and junction boxes,

    (g)   wood blocking within wall assemblies intended for the attachment of handrails, fixtures, and similar items mounted on the surface of the wall, and

    (h)   similar minor components.


Article Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.