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The ABC’s of spray foam insulation – how it all works

Spray foam insulation is one of today’s most popular insulation products on the market.  It’s known generically as polyurethane foam, and is a formulation of chemical compounds that are mixed together right at the work site.  Using specialized application equipment, the chemicals react with each other, creating “foam” that is sprayed into a given space or cavity.  The “foam” spreads out quickly and evenly, expands into place, and hardens into a super-dense blanket of insulation that coats the entirety of the given space.

A professionally installed spray foam application provides an impenetrable air barrier and moisture barrier at the same time.  The blanket of insulation restricts air movement (heated or cooled air) better than any other application on the market.  Working as an air barrier, the application provides the highest R-Value rating of any product on the market.  As a moisture barrier, the application impedes condensation, and consequently prevents the accumulation of mold or mildew.  There’s no need for a supplementary vapor barrier.

More and more industry professionals are opting for spray foam insulation as a “product-of-choice”.  It’s equally effective in new construction, renovation work, and retrofitting   projects.  And homeowners are also realizing the positive outcomes:  measurable savings on utilities from one season to the next and noticeable improvement on indoor comfort.  When the time comes to install, a reputable insulation contractor can advise on the best product for job, and the best installation approach for the task at hand.

A professional contractor is best suited to handle a spray foam application.  The chemical compounds and chemical reactions require special handling, and only a professional has been trained in the preparation and application of the spray foam product.  A responsible contracting company will offer installers who are certified and licensed - they understand the uniqueness of the product, and they have the necessary installation expertise.  Above and beyond, they observe safety protocols for the worksite and the residents alike.

For spray foam insulation to be most effective, it’s critical for the coverage to be uniform and consistent.  An experienced installer has the proficiency to deliver those results.  In addition, the expert installer knows how to properly prepare the workspace; ensure the safety of occupants; and make use of the appropriate protective equipment.  All things considered, this is a project for a professional - a do-it-yourself (DIY) approach is fraught with risk because of the distinctive nature of both product and installation.

Professionally applied, spray foam insulation is considered to be the best product on the market.  The benefits are simply superior when compared to other products.  An expert install will deliver the highest R-Value possible, while providing an optimal air/moisture barrier.  Long term, energy consumption is more efficient; HVAC equipment operates at peak performance; and air circulation throughout the premises is measurably improved.  Nothing quite compares with spray foam insulation, both short term or long-term.

Inasmuch as spray foam is more costly than other products, the positive outcomes and significant utility savings make the investment worthwhile.  The payback period, which is between 2 and 7 years, is just another reason to substantiate the initial investment.

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