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When you think of insulation, you probably think of the pink kind that feels itchy when you touch it and comes in a big roll. That is fiberglass insulation and it can actually come in a variety of colors depending on the manufacturer.

This insulation can be installed in a variety of places in the building and can be rolled and stapled or blown as loose fill. There is often a paper backing on fiberglass that helps reduce the passage of moisture into the living space.

In homes, fiberglass insulation can be installed in various parts of the building envelope. It can be pink, yellow, white or green, depending on its manufacturer, and has a spongy feel. Commonly found in blanket form, called batts, it is available in bags containing standard pre-cut lengths and widths. Batts are typically stapled into place. It also comes in bags as loose fill that can be blown into attic, wall and floor cavities. Most fiberglass batts are manufactured with a paper or foil backing that faces the direction of warmth. When installed correctly, it creates a continuous membrane that retards the passage of moisture and reduces the likelihood that fibrous particles will enter the living space. It is important that the backing always faces the warm side of the structure in which the insulation is installed.