Green Roof Standards Canada

Of green roofs the fll green roof guidelines guidelines for the planning construction and maintenance of green roofs were developed from the principles for green roofing published in 1982 and have been revised several times since 1990.

Green roof standards canada.

The tgrcs establishes the city s requirements while also meeting the ontario building code obc requirements. A green roof also known as a living roof or an eco roof is essentially a rooftop garden or park. Green roofs for healthy cities works to develop standards in support of the further development of the industry. Green roof construction standard 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 toronto green roof construction standard tgrcs is the first municipal standard in north america to establish the minimum requirements for the design and construction of green roofs. Additional standards under development include performance standards for the multiple functions of growing media. The green roof industry has responded by developing various types of lightweight growing media. This guide to green roofs outlines the three types of green roofs as well as the structural components and advantages associated with these roofs.

07 72 73 vegetated roof systems xf301 sedum standard is an extensive green roof system ideal for retrofits and new builds. They are recognized as a bench mark set of guidelines for green roofs in germany. This loose laid system uses a low maintenance pre vegetated sedum mat that includes up to 10 species of plants. Some cities like toronto have published green construction standards that speak specifically to green roofs.

This is a lot considering that in ontario canada existing roofs are typically designed for a live load of only 40 lbs per square foot 195 kg per square metre which includes the snow load. Although green roofs are permitted by most municipalities it is important to understand local bylaws in terms of privacy overlooks if the rooftop is accessible roof stability plus snow and fire hazard regulations. Currently there are no comprehensive national standards or guidelines for green roofs however design guidelines approved by the american national standards institute ansi have been developed for fire wind uplift and root repellency of green roof systems. However green roofs often involve more complex infrast.

Zinco is the world s leading manufacturer and supplier of the longest lasting green roofs. The standard can be found in article iv of the green roof bylaw municipal code chapter 492 green roofs. Our roofs help you offset the environmental impact of your building capture and manage storm water reduce energy costs and cool cities.