The Ontario Building Code | Distance to Edge of Supporting Members
220.127.116.11. Distance to Edge of supporting Members
(a) 30 mm beyond the supporting base where the veneer is not less than 90 mm thick, and
(b) 12 mm beyond the supporting base where the veneer is less than 90 mm thick.
(a) the projection shall be measured as the average projection of the units, and
(b) the width of the veneer shall be measured as the average width of the veneer.
9.20.9. Bonding and Tying