Insulation Techniques for Homes

Insulation Techniques for Homes

Insulation is an effective way to reduce the transfer of heat, reducing energy costs. However, not all insulation materials offer the same level of resistance to heat flow. There are many different types of home insulation, including fiberglass, cellulose, and foam. The type of insulation you choose depends on your renovation project and the area of the house you are insulating. To ensure you get the best value from your investment, it is important to match the R-Value of new insulation with the existing R-Value of the rest of the house to prevent air leakage.

The most new construction insulation is blanket batts or rolls, which are typically made of fiberglass or mineral wool with plastic or natural fibers like sheep’s wool. These are great for insulating walls and unheated floors. They can also be used to insulate ventilation ducts. Spray or wet applied cellulose insulation is also a popular option for homes. This type of insulation is blown into an open cavity, such as an attic floor or wall, using specialized pneumatic equipment. This can be done in an existing home or in new construction. Closed-cell spray foam offers higher R-Value, and is better suited for new construction.

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Another way to insulate your home is with foam boards or SIPs. These are installed as part of the structure of the house during construction, and include foam blocks or slabs with a liquid foam core. This is a good choice for new construction or for insulating walls and floors in an unheated garage or vented crawl space. Other ways to improve your home’s insulation is to seal air leaks with caulking or weather stripping and add vapor barriers around windows and doors. This can be done in an existing home, and may require the help of a professional to make sure it is properly applied.

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