What Materials Are the Best Insulators?


Homeowners always have the cost of utilities on their minds. To keep your costs down, you must have good insulation in your house. You have many options, but some are better than others; find an insulation material that will protect your house and be of no harm to your family.

Insulation Options

  • Whether you are building or remodeling your house, using a good material for insulation will prove beneficial. The right insulation will help keep your home at a comfortable temperature. A wide variety of materials can serve as insulation. Commonly used materials include fiberglass, cellulose, rock wool, polystyrene foam and polyurethane foam. The installer will decide which option to use based on its location in the house.


  • Fiberglass insulation is one of the best materials used to insulate homes built around the country. The ease of installing fiberglass insulation has made it a common option with builders. It comes in rolls, batts or a loose material blown evenly in the area you plan to insulate. Rolls are a form you can bring in and cut to fit the space you plan on insulating. Batts come in certain sizes designed for you to stuff into place; blown insulation uses special equipment to install the loose material in even layers. The best option will be one with vapor barriers that will prevent moisture and mold.


  • Made from recycled newspaper and nontoxic borates, cellulose is made to resist bugs, mold and fire. Installation occurs with the use of special machines that blow it into place, where it settles to keep heat in and cold out. You can vacuum up this material and reuse it in another part of the house, which makes it cost efficient. With this material, you can rest easy with the knowledge that you're using recycled products and won't have to worry about inhaling toxic materials.

Rock Wool

  • This material, also made from recycled material, provides the same benefits as others. During the production process, rock wool insulation undergoes treatment that makes it fireproof and eliminates its appeal to insects. It comes in two different forms, allowing you to blow or pour it into the space you plan to insulate, where it then settles. Many choose rock wool because the materials used do not have any chemicals that can harm your family. This product has a high density, which gives it longevity and durability keeping the cost of maintenance down.

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