LOOSE FILL INSULATION
Loose-fill insulation consists of granular or fluffy material that can be blown into hollow cavities or open attics. The main advantage is that it able to completely fill the installation space without having to be cut and fitted.
Loose Fill is used a great deal for walls, flat ceilings, pitched roofs and cathedral or raked ceilings.
A blower is used to apply the Loose fill insulation.
Fiberglass is the most common type of loose-fill insulation used in homes. It is made by spinning molten glass into long thin fibers that are bound together and then cut into small tufts or cubes.
Cellulose fiber (R-3.7 per inch)
Loose-fill cellulose fiber insulation is made from recycled paper products which are pulverized into a fibrous material and then chemically treated to make them fire and pest resistance.
Research has shown that densely packed cellulose insulation in the walls can reduce a house’s overall air leakage rate by as much as 50%
Mineral Wool (R-3.2 per inch)
Mineral wool is made by spinning molten glass, inorganic rock or slag into long fibers; a process similar to that used to make fiberglass.
One advantage of mineral wool is that it is totally fireproof and won’t melt or burn in a house fire. (Fiberglass insulation doesn’t burn, but it does melt.)
Vermiculite (R-2.4 per inch)
Vermiculite is made by expanding mica under high temperature and pressure. Because it can withstand wetting better than any other loose-fill, it is commonly used to fill the cores of blocks in foundations.