Green roofs are roofing systems that layer a soil vegetative cover over a waterproofing membrane.
Intensive roof layers.
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It will reduce your energy costs and improve your drainage system.
Laying course or leveling layer 6.
Extensive which is a light weight system and intensive which is a heavier system that allows for larger plants but requires additional maintenance.
The intensive green roof uses planting mediums that have greater depth than the extensive green roof.
Intensive green roof to limit costs and weight yet still achieve desired aesthetics and performance in some areas of the roof green roofs are commonly designed with a mix of extensive and intensive areas or an even average of the two and these are referred to as semi intensive green roofs.
The green roof features a 1 inch drainage layer with 4 inches of growing medium and specially selected sod mats.
Pre planted mats allow the roof to be vegetated immediately and can be laid at almost any time of the growing season.
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A green roof mimics pre.
Now you just have to decide whether to remove the existing roof shingles or recover the roof.
An intensive green roof is a thick layer of vegetation on the roof of your home.
This is especially true of intensive green roofs which can have soil that is two feet deep or more.
It is also important to factor in the type and lifetime of the roof membrane that will be used.
Hannah williams june 26 2013 a green roof is covered in plants turf and other vegetation.
Motte micro plugs on a green roof.
But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof.
Mat mats are suitable for flat roofs and roofs with pitches of up to 100.
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Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio.
This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings.
Standard composition nophadrain intensive green roof system.
Grows pre vegetated mats in its nursery.
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The green roof is a basic extensive system featuring a 1 inch drainage layer and 3 inch growing medium profile.
While the green roof on the cruise ship may only have a 5 inch profile the irrigation and work involved in maintaining the warm and cold season grass lawn to pristine standards earns it the classification of an intensive green roof system.
There are two types of green roofing systems.
Green roofs tend to improve the life of the membrane because it is completely covered by plantings and isn t exposed to the sun s harsh uv rays.
The structural engineer must factor in the weight of completely saturated soil since the plantings and the soil will hold a significant amount of water.
