Markham By-law 2017-26, s. 43(1) — Property Standards By-law

Despite any other provisions of this By-law, and subject to the Ontario Heritage Act and the Building Code, where it can be demonstrated to the Manager, Heritage Planning that the Heritage Attribute of a Heritage Property cannot be repaired, the Heritage Attribute shall be replaced:

• a) using the same types of materials, as the original in a manner that replicates the design, finishes, form, physical appearance, colour, texture, grain and other distinctive features and qualities of the Heritage Attribute being replaced.
• b) where the same types of materials as the original are no longer available, using alternative or substitute materials and finishes, that replicate the design, finishes, form, physical appearance, colour, texture, grain and other distinctive features and qualities of the Heritage Attribute being replaced.