How To Install A Green Roof On A Flat Roof

Small green roofs low tech options for greener living is a useful guide to building resilient green roofs.

How to install a green roof on a flat roof.

A green roof can be constructed on a flat roof. For a green roof installation that pitch should be at least inch per foot of run. Prep the roof photo by alison rosa. When constructing a flat green roof the design aspect is much simpler.

Ideally the pitch of the green roof should be around 9 10 degrees as this is not only best. We wanted somewhere for some wildlife to have bees etc 3. Set your dimple mat or drainage mat on top of the insulation layer with the felt side facing upward. As the popularity of vegetated roofs grows in the u s building teams are finding new methods for greening rooftops.

Frame the sides of the roof so your green additions will stay in place. Many green roofing companies supply sedum in a mix of 5 to 10 different types of seed for extensive green roofing. I liked the idea of having a bit more greenery in the property we live in central london 2. While the basic components of a sloped green roof are similar to that of a flat system building teams must pay particular attention to water management erosion control.

Cost of a green roof. Want to keep in touch with our most popular pages on this website. Make a normal flat or sloped roof into a beautiful living garden. However shed roofs most commonly have pitched roofs.

Even a flat roof should have some pitch so that it sheds water toward gutters. The shoots are scattered evenly over the leveled substrate and the roof is watered. Green roofs are suitable for any pitch of roof. Pitched green roof design considerations.

Sowing sedum shoots for green roof the sedum shoots are then sown into the substrate mix. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask. Before the plants go up a structural engineer should check to ensure that the roof can support the weight of the engineered growing medium and plants. A recent trend is to adapt green roof technology for low and steep slope applications.

Add a thin layer of foam insulation or pour a thin layer of concrete to provide a firm foundation and improve the r value of the roof.