Which Spray Foam Is Better: Closed-Cell or Open-Cell?

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Closed-Cell or Open-Cell

The spray foam used for insulation is a composite material made by mixing two chemicals. When sprayed with a specialised device, they react to produce a foam solution that, once dry, creates a barrier against air and vapour. As soon as it is sprayed, it immediately transforms into a solid sealant that is completely airtight and waterproof.

Both open and closed spray types of applications exist, with the latter type distinguishable from the former by the nature of the insulation process it employs.

However, the question of whether to buy open-cell or closed-cell spray foams presents a minor obstacle for DIYers when they go to the store to make their purchase. Let’s see if we can simplify that response.

Closed-Cell Spray Foam

Closed-cell polyurethane spray foam has long been established as the more common option. High R-values indicate that this is a closed cell. How well a material prevents the flow of heat is indicated by its “R” value. Materials with a higher R-value are expected to be more efficient insulators.

Insulation can be protected from the accumulation of moisture thanks to the impenetrable barrier provided by closed-cell spray foams. Building up moisture inside the walls can lead to the growth of mould and bacteria. Closed-cell spray foam is superior as an insulator for buildings and electrical systems due to its higher density. As an added bonus, it can also strengthen a wall and prevent air leaks and mould growth.

Open-Cell Spray Foam

As you might expect, open-cell spray foam is very similar to its closed-cell counterpart. The only real difference is its lower R value. Most closed-cell spray foams will have a concentration greater than 6.0 per inch, while open-cell foams will be more manageable at 3.6 to 3.8 per inch.

Because of its instant expansion upon application, open-cell foam is well-suited for use in inaccessible spaces. It’s perfect for filling in those awkward spaces.

Closed-cell spray foam, in contrast to open-cell spray foam, provides greater resistance to moisture. This foam is permeable to air and vapour, weighs less than conventional insulation, and dampens sound at lower frequencies because of these properties.

It follows that closed-cell spray foam is the foam to use if you want effective insulation. The open-cell foam may be ideal for more compact fills.

What Factors Influence the Cost?

In terms of what determines how much it will cost to install spray foam insulation, the square footage of the space being sealed off is usually the most important factor. In comparison to closed-cell spray foam, open-cell spray foam is more cost-effective because it uses less labour and cheaper materials. Closed-cell spray foam is more expensive per unit of material. Applying it requires multiple thin coats, which can increase the time and money needed for a project.

What Are The Benefits of Choosing Isothane?

Doing things yourself presents its own difficulties, such as dealing with the mess left behind. In addition, it’s possible that selecting the ideal spray foam insulation for your structure will be a stressful process that could be eased with the help of a knowledgeable expert.

Because of their versatility, Isothane spray foam products find application in a variety of settings, from private residences to commercial buildings. To ensure that our formulations are up to par with our standards and reflect the most recent developments in technology, we put them through extensive testing.

We can connect you with certified installers if you want the best results and customer service possible. If you need more details, don’t hesitate to contact us by visiting us at https://isothane.com to find an installer.

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