Westchester County Spray Foam Insulation Company Explains Open Cell & Closed Cell Foam

Westchester County Spray Foam Insulation Company Explains Open Cell & Closed Cell Foam

Westchester County Spray Foam Insulation- What You Need To Know Insulating your home against the elements is a major need any building or homeowner will need to consider. Choosing and getting the right kind of insulation that offers maximum benefits in the long run however, is another issue entirely. In this article, we look at the unique qualities of spray foam insulation and help you decide if it is the best choice for your home or building. Spray Foam Insulation (SPF), is a substance developed for use in military aircrafts in the 1940s and is basically a mixture of two materials – isocyanate and polyol resin. It’s an expanding foam applied by spraying, and used to fill gaps in wall cavities, fill different kinds of holes and as a spray cover on roof tiles and concrete slabs. It is now widely used as an alternative to Fiberglass insulation. Types of Foam It can be categorized as closed cell or open cell. Open cell insulation is a less expensive option, spongy in appearance and is composed of tiny cells with little openings. It works well as an air and sound barrier but is not recommended as a water or dampness barrier. Open cell insulation is best used for interior walls. Closed cell insulation is more applicable for outdoor use and its denser, compact cell make up means it can be used as an air or water vapor barrier. Application There are two most common methods of application: two-component high pressure or two-component low pressure. The high pressure method uses a quick expanding foam and is more appropriate for new building...