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Green Roofing The Concept Of Thesis

Materials must be durable in order to withstand the test of time and costly replacements which further pollute the environment with waste, (Chiras 2008). In general, manufacturers try to present a variety of usable green materials which are produced with the least amount of energy possible. When thinking of the energy needed to create a product, one must take into account that of extracting raw materials, processing, and transportation of the finished product to the building site, (Environmental Protection Agency 2008). Recycled materials are also highly favored in the construction of green roofing. Such recycled materials include newsprint, sawdust, cement, recycled rubber, and agricultural fibers, (Snell & Callahan 2005).

This soil then serves as a barrier between the elements, along with providing a whole different space for gardens and also provides a brilliant attack on the problem of storm water management, (Environmental Protection Agency 2008). Other layers of the roof include root barriers, drainage, and irrigation systems. These soil-based roofs of vegetation also help reduce sewage loads, absorb air pollution and CO2, along with help insulating the residence to reduce outside noise entering into the context of the home. Especially seen in buildings utilizing soil roofs, there is a natural increase in the weight of the roof to the overall building below it. This soil-based system adds an extra 80-150 lbs per square foot onto the previous load of the building itself, (Environmental Protection Agency 2008). One can still use lumber in

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There are several national guidelines set by a variety of public and government agencies on green roofing procedures and materials. It is advised by the National Association of Home Builders (NAHB) to use previously cut building materials, including a pre-manufactured floor and roof framing package. All waste materials coming out of a green building site must be recycled off site, which includes lumber, drywall, and old asphalt roofing singles, (NAHB 2008). At least 50% of the construction waste must be relocated to a recycling facility. Green builders are also rewarded for including a "24-inch on-center framing roof systems," (NAHB 2008). This then allows for the greatest maximization of roof space. Roof sheeting material must take into account natural distortion though deflection. The roof overhang of the region working on must also be taken into consideration during a green roof construction.

All materials used within green roofing constructions must take great measures to minimize moisture intrusion, (NAHB 2008). Green roofing using soil relies on a complex system of drains and irrigation flows in order to direct run off water where it is needed, (Environmental Protection Agency 2008). Materials must be durable in order to withstand the test of time and costly replacements which further pollute the environment with waste, (Chiras 2008). In general, manufacturers try to present a variety of usable green materials which are produced with the least amount of energy possible. When thinking of the energy needed to create a product, one must take into account that of extracting raw materials, processing, and transportation of the finished product to the building site, (Environmental Protection Agency 2008). Recycled materials are also highly favored in the construction of green roofing. Such recycled materials include newsprint, sawdust, cement, recycled rubber, and agricultural fibers, (Snell & Callahan 2005).

A climbing trend in green roofing building is the use of soil and vegetation planted on top of a membrane which waterproofs the lower levels beneath, (Environmental Protection Agency 2008). This soil then serves as a barrier between the elements, along with providing a whole different space for gardens and also provides a brilliant attack on the problem of storm water management, (Environmental Protection Agency 2008). Other layers of the roof include root barriers, drainage, and irrigation systems. These soil-based roofs of vegetation also help reduce sewage loads, absorb air pollution and CO2, along with help insulating the residence to reduce outside noise entering into the context of the home. Especially seen in buildings utilizing soil roofs, there is a natural increase in the weight of the roof to the overall building below it. This soil-based system adds an extra 80-150 lbs per square foot onto the previous load of the building itself, (Environmental Protection Agency 2008). One can still use lumber in
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