Any large slope or flat roof that s hard to reach makes a great area for this kind of vegetation as nature will take care of itself.
Residential green roof for slope.
It also keeps the room below it warmer in winter and as much as 6 to 8 degrees cooler in summer thereby reducing utility costs.
With an extensive green roof vegetation is thinner 1 6 to five inches thick and lighter with appropriate plants that will make them low maintenance and self sustaining.
For semi intensive green roofs consider grasses shrubs small trees woody plants and herbs.
They may be flat or sloped.
Drainage thickness of growing media plant varieties etc.
The majority of north american residential roofs have historically been constructed with a slope between about 4 12 and 9 12.
Extensive roofs can weigh between 15 and.
Perhaps the most important benefit of green roofs is that they can reduce the amount of and improve the quality of stormwater runoff from a building site.
A handy roof slope estimator can help you determine if your roof slope is likely too low for shingles.
Basic green roof components include the base roof deck water proofing layer and green roof systems.
Residential green roofs such as theirs protect natural waterways from oily street residue by lessening the chances that municipal storm drain systems will overflow.
Sloped roofs retain less water in general and the moisture content varies from the ridge to the eave lowest edge of the roof.
2 extensive green roof.
The slab will be supported on nine steel columns with five girders and 45 beams situated to create the saddle like hypar roof shape.
The green roof will be composed of a liquid applied waterproofing membrane an inch thick root barrier three inches of insulation a 1 inch drainage mat with filter fabric and 8 inches of growth medium with an integrated cellular confinement system.
For extensive green roofs it s good to use moss sedum herbs and grasses.
All green roofs are built upon a roof deck and may be made from concrete steel or wood.
Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs.
Most critical for a low slope roof is weight bearing capacity.
We have chosen to use the word vegetative rather than the word green in this guide because a non vegetative roof could be considered to be environmentally green without being vegetative.
Seed mixtures can be bought specifically for green roofs.
It is the task of the designer to make adjustments in the green roof system accordingly e g.
The following is a summary of the basic green roof system components.
Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on.
