126.96.36.199. Trimmer joists
(1) Trimmer joists around floor openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings shall be doubled when the length of the header joist exceeds 800 mm.
(2) When the header joist exceeds 2 m in length, the size of the trimmer joists shall be determined by calculations.
This material is COPYRIGHT © QUEEN'S PRINTER FOR ONTARIO, 2008-2018
This site is not an offical copy or maintitned by the Government of Ontario.