The Ontario Building Code | Tests of Venting Systems
7.3.6.3. Tests of venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting Systems
(1) Every venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting system shall be capable of withstanding without leakage a water test, air test and final test.