7.7.2.3.Roof Design

(1) Roof surfaces that supply rainwater to a non-potable rainwater harvesting system shall be inaccessible to vehicular
  and pedestrian traffic. (See Note A-7.7.2.3.(1))

  (2) Roofing components and conveyance systems in contact with rainwater that is supplied to a non-potable rainwater
  harvesting system shall be constructed of materials that will not introduce substances into the rainwater that could
  adversely affect its intended end use. (See Note A-7.7.2.3.(2))

← Previous7.7.2.2. Permitted Applications Next →7.7.2.4. Non-Potable Rainwater Harvesting System Design

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.