In Plain Language

This clause sets a minimum grade for wood shakes used under this roofing type: No. 1 or Handsplit grade, ruling out lower-grade material.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.