Now that everybody wants to build green, there are lots of new insulation options for keeping your house warm. These include spray foam and fiber insulation and non-fiberglass batts. You no longer have to use materials that are potentially dangerous to yourself or the environment. All of these options use recycled materials in an environmentally friendly way. Let's take a look at some of these options.

- Non-fiberglass Batts use a variety of earth-friendly materials with cotton for natural insulation. Most folks use recycled sheep's wool that is treated so that it is fire resistant. Another material you can use is rock wool, which is naturally resistant to fire, water and noise.

The other materials used are cotton batts, wool batts, rock or slag wool batts and boards, or any combination of these. It depends on what you want out of your insulating material. If noise reduction is a major concern, you should go with rock wool, which has a natural resistance to noise.

Installation technique is exactly the same that has been used for many years for installing fiberglass materials. The advantage to using non-fiberglass batts is that they are friendly to the environment.

- Spray foam insulation is quickly becoming the most popular methods, and this is because it is not only green, but also flexible and relatively easy to install. If you're willing to put a little elbow grease into it, you can do the entire job yourself, and there are kits available for doing just that.

You simply spray the foam insulation into the cavities of the wall and the material expands by itself to fill the space up completely. The foam is particularly effective because it fills all the little cracks and crevices completely. Most types of spray foam are fire resistant, and are also effective against moisture that can creep into your house and cause mold infestations.

In some cases, spray foam insulation is used along with other techniques to get the desired result. Because of the foam's flexibility, you can use it together with non-fiberglass batts. While some people can handle their spray foam installation themselves, if you're not much of a handyman/woman, you might want to have a professional do it for you.

- Spray fiber insulation is where little bits of various materials are blown into your wall cavities to create insulation. The materials are environmentally friendly, and often include mineral wool, cellulose and other materials mixed with water. It is blown into the wall crevices using a special machine designed to pack it in so that there is no air left. The material dries and a special adhesive that is mixed in keeps it all in place.

The Spray fiber product is also a popular method because it is, by far, the easiest. Water should be mixed into the solution depending on how humid the environment is. The material is sprayed in, and in 24 hours it dries into place. Best of all, all the materials used are recyclable.

Home insulation has never been this easy or easy on the environment before! Join millions of others who are doing their duty to save the earth by building green.