Explore Three Types of Spray Foam Insulation
To minimize air and water infiltration in your home, you need to rely on spray foam insulation. As soon as you tap on the market, you come across three different types. Determining the difference between these types and which type is suitable for your next home improvement project can be confusing. It’s time to learn about three types of spray foam.
What is Spray Foam?
It is a sealing product used to seal crawl space, attic, basement, and ceiling cracks or gaps. It is a sealant made of different liquid components applied on the site, expanding on contract and creating foam insulation. It is a versatile insulation product used to seal exterior walls, attics, small gaps, wall cavities, and cracks. If you want to limit air infiltration and air movement in your home, then certainly Basement, Crawl Space & Spray Foam Insulation is the best option.
Types of Spray Foam
Different types of spray foam are used for insulation of different areas of a building. It’s time to get more information about each type.
1.High Density
It is a closed-cell foam whose R-value starts at 5.5 inches while almost 3lbs per cubic foot. R values mean resistance to heat. A higher-high value means high heat resistance capability. Insulation contractors usually use high-density Spray foam insulation over other types. The reason behind this preference is the high strength and density.
They apply it on the roof and exterior area of the home to maintain sturdiness all around the house. The benefit of setting it on the roof is to increase thermal resistance while achieving energy efficiency.
The home structure gets affected due to infiltration of water and wind; you can boost the overall structure by insulating its exterior and roof with High-density spray foam. It creates a strong bond with room and shows excellent resistance to wind uplift. In areas where wind pressure is too much, this insulation is an absolute must to prevent damage.
2. Medium Density
Another closed-cell foam is featured with 2lbs per cubic foot, and its R-value starts at 5.7 per inch. When it comes to continuous insulation, many builders go with medium-density foam. It’s ideal for filling interior wall cavities and unvented attic applications.
It works as an air, vapor, and water barrier while reducing noise to a great extent. If your home is located in an area where light wind-driven rains are a common phenomenon, you should achieve low vapor performance with medium-density spray foam insulation.
3.Low density
This open-cell foam features 0.5lbs per cubic foot and whose R-values begin at 3.6 per inch. Experienced contractors use low-density foam as the perfect air barrier in the crawl space, attic, and basement. It can be applied both at low and high pressure to walls, ducts, ceilings, and in unvented attics.
You must know that it works only as an air barrier; thereby, it can prevent water and vapor. During construction, builders use low-density spray foam to fill wall cavities.
The open cell structure of this foam becomes soft and flexible after cure. You can reduce noise through its application while it offers excellent heat insulation power.
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