Is fiberglass insulation flammable?

Answer Fiberglass insulation itself is non-flammable. However, according to the North American Insulation Manufacturers Association (NAIMA), the vapor retarder coating the insulation is most likely flamma... Read More »

Top Q&A For: Is fiberglass insulation flammable

Is polyurethane foam insulation flammable?

The Occupational Safety & Health Administration has documented several instances of fires associated with polyurethane foam insulation. It recommends that "open flames, cutting and welding torches,... Read More »

How do I buy fiberglass insulation?

Measuring the SpaceMeasure the space, height and width where you will add the insulation. Convert calculations into square feet (width X height) to determine the amount of insulation to purchase.De... Read More »

How Is Fiberglass Insulation Made?

It starts with sand. Fiberglass is literally a fiber spun from molten glass, and silica sand is the main ingredient in glass production. Glass fiber is used in applications as varied as boat hulls ... Read More »

How thick is R-30 fiberglass insulation?

R-30 fiberglass insulation, commonly used in attics, is about 9 1/2 inches thick. A good rule of thumb, as the County of Ventura in California states, is that "every inch of fiberglass batt or blow... Read More »