Insulation 4 less provides resistance to heat flow, reducing your heating and cooling costs. It can also improve comfort and help protect your property.

Whether you live in an old or new home, sealing air leaks and adding insulation are two of the most cost-effective ways to save energy and make your house more comfortable. You can save up to 10% a year on your utility bills by making these simple changes.

There are many types of insulation materials and installation methods. Choosing the right one is important to get maximum benefit. Some can be installed by the homeowner (blankets, boards) while others require professional installation. Regardless of the type you choose, it is important to know its R-value – the measure of its thermal performance.

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R-values are determined by the thickness and density of the material. Foils, films, and papers (sometimes combined) are fitted between wood-frame studs, joists, rafters, and beams to prevent downward heat flow. They can be blown into place using special equipment or, in the case of cellulose, can be poured. Fiberglass and cellulose are the most common insulation materials used in homes.

Some people insulate their homes for environmental reasons as well, as it reduces the amount of electricity needed to operate a furnace and air conditioning system. It is also a good choice if you live in an area that suffers from cold winters, as it helps to keep the indoor temperature warm. In addition, some insulation materials are sustainable as they can be repurposed or recycled after use. Cork, for example, is made from the bark of trees that grow back every nine years and can be harvested over again.