The Right Spray Foam Insulation: Open Cell, Closed Cell

TheRightSprayFoam

More efficient than batts. Spray foam far outperforms fiberglass batts in more than one area. First it seals the air while insulation at the same time. Second, it has a much higher R-Value. Third its form stays the same, meaning that it will not compress or settle by potentially harmful moisture. Spray foam has gotten a lot of attention lately with energy cost being on everyone’s mind. Increased costs for heating and cooling means that keeping a cozy temperature inside your home will mean more fuel, electricity and the like. The majority of people understand that insulation upgrades are a fool-proof method to cut costs. Spray foam is a viable solution to reach the desired savings.  On the shelves of Hardware Retailers, small cans with pressure  are available to use spray foam. Professionals conduct larger jobs. These include the area between studs, joists, and rafters.  The foam once released expand immediately. Let the experts at the Home Insulators make the decision to see if your home has the sealed, airtight areas to give you maximum savings. Call us today for a free estimate and evaluation.

 

Open-Cell foam- Lower R-Value but better Diffusion- Open cell foam is made of tiny little bubble that are connected together.  The insulation value comes from the bubbles that hold air inside of them. The amount is usually an R-Value of 3.5-4.0 per inch. One brand of open cell foam is Icynenen™. Icynenen™ Is only available through their own contractors, but generic brand are available through independent contractors. Open cell has the ability to fill in gaps, fill in cracks, and expand just the like closed-cell foam.  Open cell foam is like a sponge however, it absorbs moisture, meaning that it will reduce its R-value when it gets wet. It is best practice to stay away from Open-Cell foam in damp areas such as basements and crawl spaces.  Rafters and studs can be sprayed but because the space is confined it will be unable to produce as much insulation as possible. Open cell foam is less expensive to install than closed-cell foam

 

 

Closed-Cell foam- Has a vapor barrier, solid finish, and Higher R-value.

 

The Hardware retailer shelves have canned foam that is closed-cell. This type of canned foam is called “single-component” foam. On the other hand, the foam that contractor use on large projects is called “two-component foam” or Polyurethane foam. The reason that the foam expand is because of a chemical reaction that takes place, just as the chemicals leave the nozzle. Although the cost of installation is more for closed cell, it is preferred for many projects because of the high R-Value between R-6 and R-7.1 per inch. It also has the ability to form a moisture barrier that is effective. The one-two-three combination of stopping moisture and sealed airtightness and high R-Value makes this preferable to other applications.

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