Ground Cover in Unheated Crawl Spaces

(1)  Where a crawl space is unheated, a ground cover shall be provided consisting of not less than,

    (a)   50 mm of asphalt paving material,

    (b)   100 mm of 15 MPa Portland cement concrete,

    (c)   Type S roll roofing, or

    (d)   0.10 mm polyethylene.

    (2)  Joints in sheet-type ground cover required in Sentence (1) shall be lapped not less than 100 mm and weighted down.


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