Fiber glass loose-fill insulation is made from molten glass spun or blown into fibers that are then processed into the final product. It is an effective insulation and meets the requirements of ASTM C 764 – Mineral Fiber Loose-Fill Thermal Insulation. Fiber glass loose-fill insulation is inorganic and noncombustible. In addition, the fibers will not rot or absorb moisture and do not support the growth of mildew, mold or fungus. Fiber glass loose-fill insulation is available in two forms – either processed from a by-product of manufacturing batts or rolls, or from “prime” fibers produced especially for blowing applications. Both must be applied through pneumatic means using a mechanical blowing machine. Fiber glass loose-fill insulation is designed for “open blow” applications such as attic spaces or closed cavity applications such as those found inside walls or covered attic floors. In both applications, to achieve the correct R-value it is extremely important that the proper weight and thickness of materials be installed.
Cellulose insulation is a type of wood- or paper-based product. It is used to fill empty spaces in the structural part of a house to slow down the transmission of heat or cold. Cellulose insulation is thick, dense, and clumpy, with a consistency much like down feathers. The chief value of this shape and size is that the insulation can fit in enclosed areas (such as walls) and can conform around obstructions such as wires and ducts (found both in walls and in attics). Cellulose insulation technically can come from any cellular plant source, such as corncobs or sisal. But commercial cellulose insulations are generally derived from wood, and more specifically from paper: recycled newspapers, cardboard, office paper, and other common waste paper products. For this reason, cellulose insulation is considered an eco-friendly home product.
One type of insulation is called Batt insulation. You can save money by making your home more energy efficient. One way to accomplish this eco-friendly task is to increase the level of insulation inside your house. This is one of the most common products used to insulate walls, ceilings and attics as well as basements and crawl spaces. It is generally manufactured from fiberglass, Batt insulation can also be made from cotton or stone wool.
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