Green Roofs On Pitched Roofs

Above 5 degrees roofs are considered to have a pitch which may affect the design.

Green roofs on pitched roofs.

Steep pitched green roofs up to 35 georaster elements to transfer high shear forces into the roof structure the system build up steep pitched green roof based on the zinco georaster elements enables the installation of green roofs with slopes exceeding 25 and up to 35. The turf or sedum layer is then laid directly over the oldroyd xv membrane. Sloped roofs retain less water in general and the moisture content varies from the ridge to the eave lowest edge of the roof. The substrate layer has to be protected against erosion.

Typically sedum has a more consistent appearance throughout the year compared to a meadow green roof in which volume and evenness of growth fluctuates within and between seasons. In order to achieve lasting success with a sloped extensive green roof there are a few basic things to consider. Planted sloped or pitched roofs look great and due to their high visibility they have been the focus for several new projects. Pitched roofs start with a slope of 10 18.

If not properly secured a pitched vegetated roof can erode and slip under heavy rain excessive irrigation or poor plant growth. Steep pitched green roof with hydropack contents. Green roofs are a perfect solution to create green spaces on any type of surface. The two most common types of green roof specified for commercial and residential developments are sedum and wildflower.

The most crucial component of any sloped green roof is the confinement system which holds the growth medium in place during the roof s early stages of development. A technical review of the project is essential. Slopes above 25 degrees are normally considered too steep to walk on and require additional design features. Most vegetation will grow on quite sever slopes but the designer must consider the practicalities of installing the green roof and just as importantly how the roof is to be maintained.

It is essential to conduct a technical review of a planting project on a steeply pitched roof in order to limit the risks of erosion and to recommend the most appropriate retention device. In addition to green roofs on flat surfaces a green roof on a curved or sloping surface can be a real eyecatcher. Typically the studded oldroyd xv green membrane is laid over a suitable exterior grade bitumen based roofing felt to form a waterproof drainage layer. A pitched green roof constructed from treated timber.

Steeply pitched roof 30 45. From 10 on the green roof system build up differs significantly from system build ups below 10. An edging board constructed from 2 6 treated timber is secured around the perimeter of the roof using special oldroyd turf roof hooks. Why choose the hydropack tray to green a steep roof.