Open Cell or Closed Cell Foam Insulation?



If you're building a house or updating your existing house, then you're most likely familiar with polyurethane foam insulation. Likewise known as spray foam, polyurethane foam is considered the very best insulation product on the marketplace. Its simple setup, severe toughness and fantastic resistance to the leakage of moisture, water and air are just a few of the factors! Polyurethane spray foam can be used for a wide range of applications, consisting of attic crawl spaces, freezers and piping.

The Two Types of Spray Foam Insulation
There are 2 primary types of polyurethane foam spray: closed cell and open cell. The two have a lot of similarities. To begin with, they're set up practically the same way, and with the exact same equipment. They likewise are the two kinds of insulation with the highest level of energy performance.

Nevertheless, there's in fact a quite substantial difference in between open and closed-cell spray foam insulation. These differences make a big influence on your choice when picking between the two. Comprehending the distinction in between open-cell and closed-cell foam insulation is essential in determining what's finest for your next insulation project.

Closed-Cell Spray Foam Insulation


Installing Spray Foam Insulation
Closed-cell polyurethane spray foam from Virginia Foam Insulators is dense, airtight insulation. It can expand up to 30 times larger than it's liquid volume. The cells in Closed-Cell spray foam are condensed together, unbroken, and filled with an inactive gas for a high insulation worth. When you're ended up installing it, Closed-Cell spray foam has an air barrier of a 2-inch thickness.


Benefits and Uses of Closed-Cell Spray Foam

Closed Cell insulation's benefits include strength and high resistance to leakage of air or water vapor. Because closed cell spray foam has the greatest R-value of all insulation, it is thought about the very best on the market. Its high density and severe strength offer optimum insulation and likewise toughen the walls it's applied to.

It tends to be more typically used than Open-Cell foam. Here are a few of the very best usages for closed-cell foam:

  • Interior walls
  • Exterior walls
  • Floors
  • Unvented crawl spaces
  • Concrete pieces
  • Cold storage
  • Unvented attics
  • Vented attics
  • Vented crawl spaces
  • Ducts
  • Freezers
  • Ceilings
  • Piping
  • Foundations
  • Tanks
  • Coolers
Open-Cell Spray Foam Insulation
Open-Cell Polyurethane spray foam is another airtight insulation. However, it's significantly less thick than closed-cell. Open-cell spray foam is generally less expensive than closed-cell because of this lower density. Less of the open-cell foam than closed-cell is needed to cover the very same location per cubic foot.

Each of its cells are broken which permits them to fill with air. Open-cell foam insulation can expand as much as 150 times larger than its liquid volume. The high expansion volume can fill every nook and cranny of an insulated area. After setup is finished, this foam insulation provides property owner air barriers of 5 inches in thickness.

Strengths and Benefits of Open-Cell Spray Foam Insulation
On top of being a good insulator for air, open-cell polyurethane spray foam is a great insulator for sound. It minimizes noise on impact, making it a reliable noise-proofing material.

Open-Cell is best utilized for insulating the following locations:

  • Interior walls
  • Exterior walls
  • Floors
  • Unvented crawl spaces
  • Unvented attics
  • Vented attics
  • Vented crawl spaces
  • Ceilings
Open Cell or Closed Cell Foam Insulation?
Although both are fantastic items, Closed-Cell spray foam is a much better option if you can manage it. It can be used in a wider variety of areas, and is in general more effective. Nevertheless, Open-Cell insulation is still a better kind of insulation than most basic types. So if you require your task to be more cost-effective, open-cell is still an excellent choice overall.

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