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What to Know About Spray Foam Insulation

Deciding how to have your home insulated is an important decision – one that will affect your home, health, and wallet.  If you are considering spray foam insulation, you want to have as much information as possible.  When it comes to what to know about spray foam insulation, we’ve gathered some important facts below.


Spray foam insulation reduces air leakage more effectively than other types of insulation.  Both open and closed cell spray foam insulation types offer superior air barriers, which helps your home to stay warm and cool more efficiently.  Because spray foam expands, it fills every part of the space to be insulated, virtually eliminating the problem of air leakage and giving you a stronger wall as well.


Spray foam insulation provides a higher R-value per inch.  R-value refers to an insulation’s thermal resistance.  This is important in preventing the spread of fire on your house.  The R-value of both open and closed cell foam insulation is higher than traditional fiberglass insulation, and closed cell especially has a high R-value, making your home a safer place.  In fact, spray foam insulation is Class 1 fire rated


Does not permit air convection inside walls.  Of course, air from the exterior of your home can increase energy bills, but air convection is a factor to consider as well.  Air convection can cause temperature fluctuations as well as condensation issues.  Using spray foam insulation means reducing this problem to almost zero.


Water damage does not reduce performance.  Let’s face it, insulation can get wet.  With traditional insulation, water is damaging and hampers its performance.  In addition, it absorbs water, which can create even bigger problems in the long run.  Closed cell foam insulation is water retardant, so even if the wall or surface it is insulating gets wet, the insulation will remain effective, and because it is water retardant, it will prevent water from collecting and being absorbed.


Dramatically reduces airborne moisture.  Because of foam insulation’s superior air barrier and water resistance, there is a greatly reduced chance of airborne moisture becoming a mold and mildew hazard.


Spray foam insulation does not settle, shrink or sag over time.  It keeps its form and shape and will never slip down the wall the way fiberglass sheets can.  And because of its density and stability, it can enhance the integrity of the wall as well.


Spray foam insulation means no food value for mold or insects.  Insects, rodents, and mold cannot feast on spray foam insulation.  This means that mold and mildew are stopped in their tracks, and there will be no pests hiding in the walls, making a home out of your insulation.


Better energy efficiency is, of course, one of the most important features of spray foam insulation.  In a study released by the department of energy, a person living in a 1500 square foot home can save from $280-$390 per year by using spray foam insulation.


These are just a few of the many reasons that spray foam insulation can be a great choice for your home.  Now that we’ve shared a little bit about what to know about spray foam insulation with you, we hope you will contact us at Airseal if you’d like to know more about how you can protect your home and health and save money on your energy bills.