When buying an insulation material, you can select it from a variety of manufacturers in the market. However, there are important factors that you should put into consideration such as stability and performance for your application. The energy saved from a properly ventilated envelope is much more compared to the environmental impact from the manufacture of the insulation. When comparing two materials, you should consider the impact on the environment from each of the product.
Cellulose insulation is created mainly from recycled paper. It is manufactured from energy and waste material produced during the manufacture of fiberglass. You can actually reuse scrap cellulose created as a byproduct during installation to reduce waste. Cellulose insulation does not have any significant impact on air quality within the building. It is blown into ceiling, wall cavities and loft surfaces.
Cotton insulation is created mainly from cotton, using some boron to avoid fire and polyester. The majority of the cotton utilized in insulation is recycled from scrap produced during the production of denim. The insulation does not have any chemicals, and cannot cause skin or respiratory system problems. You can use cotton batts in the same way as mineral wool batts or abs plastic, folded out between ceiling joists, open roof rafters or wall studs.
Another material is fiberglass, made from recycled glass and silica sand, both of which are available in abundance. It is manufactured by assembling the materials in a furnace to melt them, which uses a lot of energy and produces a significant amount of air pollution as compared to other types of insulation. If you install them well, it is hard to inhale the fibers, which are skin, eye and throat irritants.
One type that has a greater environmental impact than the others is foam insulations because of its extraction, processing and transport of raw materials like petroleum and natural gas. They however have significant benefits that can override these setbacks such as higher R-values for a certain thickness and they air seal surfaces better. In addition, they can save more energy over the lifespan of your home, because of their durability and high R-values.
Polyisocyanurate, with the exception of areas which are moist, may be the most suitable type of foam insulation. It consists of polysio, a rigid foam board, and engrossed in a layer of foil behind like a radiant or vapor barrier, that you can use in just about all areas of your house. Made using more than nine percent of recycled content, and flame retardants, in addition to a high R- value, polyiso is preferred as an alternative to polystyrene foam insulation.
Two types of polystyrene exist; expanded and extruded, otherwise known as beadboard, and blueboard respectively. There is no minimum content for recycling polystyrene, but its products may have some recycled content due to the recycling of the polystyrene itself. There are brominated flame retardants in polystyrene that raise serious environmental and health concerns because some of the compounds are bioaccumulative.
Mineral wool is produced from strands of minerals. It is required by the Environmental protection agency to have more than 70 percent of recycled content by weight. Though more pricey than fiberglass and cellulose, it is more moisture-resistant and sturdy.
Cellulose insulation is created mainly from recycled paper. It is manufactured from energy and waste material produced during the manufacture of fiberglass. You can actually reuse scrap cellulose created as a byproduct during installation to reduce waste. Cellulose insulation does not have any significant impact on air quality within the building. It is blown into ceiling, wall cavities and loft surfaces.
Cotton insulation is created mainly from cotton, using some boron to avoid fire and polyester. The majority of the cotton utilized in insulation is recycled from scrap produced during the production of denim. The insulation does not have any chemicals, and cannot cause skin or respiratory system problems. You can use cotton batts in the same way as mineral wool batts or abs plastic, folded out between ceiling joists, open roof rafters or wall studs.
Another material is fiberglass, made from recycled glass and silica sand, both of which are available in abundance. It is manufactured by assembling the materials in a furnace to melt them, which uses a lot of energy and produces a significant amount of air pollution as compared to other types of insulation. If you install them well, it is hard to inhale the fibers, which are skin, eye and throat irritants.
One type that has a greater environmental impact than the others is foam insulations because of its extraction, processing and transport of raw materials like petroleum and natural gas. They however have significant benefits that can override these setbacks such as higher R-values for a certain thickness and they air seal surfaces better. In addition, they can save more energy over the lifespan of your home, because of their durability and high R-values.
Polyisocyanurate, with the exception of areas which are moist, may be the most suitable type of foam insulation. It consists of polysio, a rigid foam board, and engrossed in a layer of foil behind like a radiant or vapor barrier, that you can use in just about all areas of your house. Made using more than nine percent of recycled content, and flame retardants, in addition to a high R- value, polyiso is preferred as an alternative to polystyrene foam insulation.
Two types of polystyrene exist; expanded and extruded, otherwise known as beadboard, and blueboard respectively. There is no minimum content for recycling polystyrene, but its products may have some recycled content due to the recycling of the polystyrene itself. There are brominated flame retardants in polystyrene that raise serious environmental and health concerns because some of the compounds are bioaccumulative.
Mineral wool is produced from strands of minerals. It is required by the Environmental protection agency to have more than 70 percent of recycled content by weight. Though more pricey than fiberglass and cellulose, it is more moisture-resistant and sturdy.
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