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Open or Closed Cell Foam Insulation

A spray insulation is referred to open cell or closed cell because of the difference between the small bubbles (cells) that make up the foam.

Open cell foam is made up of several unencapsulated cells. Or, to put it another way, the cells are purposefully left open. As a result, the foam becomes softer and more malleable.

On the other hand, as the name implies, closed cell foam is made up of entirely closed cells. Because the cells are pushed together, air and moisture cannot enter the foam. As a result, closed cell foam is significantly more stable and rigid than open cell foam.

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Benefits of Closed Cell Insulation

Since closed cell insulation may reach two times the R-Value of open cell inside a typical wall, it is the ideal material for robust insulating in areas with limited space. Its rigidity contributes to the building’s structural integrity, and variants that are E84 fire rated are available. The closed cell insulation also serves as a vapor barrier, making it less probable for water and moisture to enter the house while protecting the foam from water damage.

Benefits of Open Cell Insulation

One of the main advantages of open cell insulation is that it can insulate nooks and crannies in a house that are difficult to reach since it expands so much after being applied. With closed cell foam, these kinds of regions can be challenging to insulate. Open cell insulation is great for soundproofing since it can completely cover the space between studs with just one application.

Although open cell foam insulation is also more economical than closed cell foam, it won’t insulate a home as efficiently, making it unsuitable for regions with extremely high or low temperatures.