How Do You Install A Green Roof

The system structure for a flat water retaining green roof consists of a drainage layer with filterfleece extensive roof garden substrate and a vegetation blanket.

How do you install a green roof. The last layer is what makes your roof green. 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. Bedzed the eco housing development in south london covered their expanses of roofs with this product but for a small project like this it was unnecessary and expensive. That depends on the green roof.

Experimenting with green roof plants. Make a normal flat or sloped roof into a beautiful living garden. Installation green roof 0 20 flat roofs are ideal as green roof. A typical extensive green roof composed of a 4 inch system with mixed sedums needs water sparingly for the first year and weeding every few months.

You can grow your own. First make sure you have to go ahead to re do the roof especially if you re in a co op or condo with roof access as opposed to being a building owner. Build a living roof green roof. You can buy sedum impregnated mats for roofs.

The following year it shouldn t need any water and will only need to be weeded 3 to 4 times a year. For a green roof installation that pitch should be at least inch per foot of run. Try out green roofs for healthy cities green save calculator. 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.

You can choose between a green roof seed mixture plug plants plant cuttings or pre vegetated green roof mats or blankets. The initial installation cost of a green roof is more than a traditional roof. After the second year it should only need to be weeded twice a year. Unroll the drainage layer with the dark thick fleece facing down onto the existing waterproof membrane.

Take all the bags of substrate onto the roof and work from one end. I liked the idea of having a bit more greenery in the property we live. Make sure you open out the white flap of the top layer filter fleece. Even a flat roof should have some pitch so that it sheds water toward gutters.

Set your dimple mat or drainage mat on top of the insulation layer with the felt side facing upward. However the life cycle cost is competitive. Green roofs provide extra space. Sedum green roof can install the entire roof if required.

In a co op or condo often the roof membrane is owned by the building and management is responsible for its maintenance explains bolster s karp. Eliza takes in the view from her perch atop the house s green roof which daniel believes to be the first of its kind in the neighborhood. How to plan a green roof renovation. Green roofs make the most of unused space within the increasing density of our cities.