Fiberglass materials are often used because they are cheap, durable and do not shatter easily. Fiberglass is often fire-retardant and is not easily damaged by chemicals and natural corrosives. Fiberglass materials are often available in a variety of colors, shapes and sizes, depending on the needs of a customer. Fiberglass materials are often used in home construction. Fiberglass materials are good insulators from heat and fiberglass material insulation is found in many homes. Fiberglass materials are often used in the production of boats, surfboards and many other forms of transportation used in the water, because it is waterproof and does not easily corrode.