The requirement ranges from 20 60 of.
Green roof bylaw city of toronto.
The green roof bylaw sets out a graduated green roof requirement for new development or additions greater than 2 000 m gross floor area as well as governing the construction standards of green roofs.
The standard can be found in article iv of the green roof bylaw municipal code chapter 492 green roofs.
In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs.
Toronto is the first city in north america to have a bylaw that requires and governs the construction of green roofs on new developments.
Whether constructing a green roof voluntarily or as required by the green roof bylaw all green roofs in the city of toronto at a minimum must conform to the toronto green roof construction standard.
The green roof bylaw sets out a graduated green roof requirement for new development or additions that are greater than 2 000 m in gross floor area.
Toronto municipal code chapter 492 green roofs.
It was adopted by toronto city council in may 2009 under the authority of section 108 of the city of toronto act.