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The Importance of Insulating & Air Sealing Attics

Air sealing attics and properly insulating your attic are two of the most important things homeowners can have done to their homes.  Many homeowners think that their home is properly insulated because the entire attic floor is usually buried in Batt Insulation or Blown Insulation.  If your home appears to have a enough insulation but you still are not seeing a lowered power bill, then your attic may not be properly air sealed.  Today we will discuss the importance of air sealing attics and the effect it can have on your home.

Air Sealing Attics

The next time you are in your attic, look around and see if you notice any type of air sealing techniques that may have been performed during your insulation installation process.  Even if you have a new home, some insulation contractors do not properly air seal you attic! Look at or around some of the following areas to see if you notice, spray foam, caulk, or some other type of air seal product:

Top PlatesInsulating and Air Sealing Attics

Top Plates are the top of your wall.  This is an area that connects your attic to the conditioned space of the house.  Make sure that all of your top plates are properly sealed with some type of air seal product such as Spray Foam Insulation.

Gaps and Penetrations

Gaps and penetrations can be found in many different areas of your attic.  Look at your Top Plate and see if there are any holes that are coming through it.  Make sure all of those penetrations are filled.  You may also find Gaps in areas of your attic.  Install an Attic Air Seal product to ensure that these areas are air sealed properly.

Can Lights and Boxes

Can Lights and Boxes are one of the leakiest areas from your attic to your living space.  These areas should be addressed with a proper can cover or box cover and sealed into place with an appropriate attic air seal product such as spray foam insulation.

Pipes and Wiring

There are many areas that you will see pipes and wiring coming through the walls or ceiling.  Make sure all of these ares are properly sealed with an air seal product.

Duct Chases and Ducts

It is extremely important when air sealing attics to make sure all duct chases are properly sealed.  These are usually very large areas that will allow a lot of air leakage to occur if they are not properly sealed and insulated.  Your Ducts in general also should be looked over and inspected to ensure that they are properly sealed and your HVAC air is not leaking into your attic.Air Sealing Attics Spray Foam

Professional Inspection and Installation

Spray Foam USA realizes the importance of air sealing and insulating attics.  Some of our clients have chosen to completely air seal their attic rather than remove all of their existing insulation and install spray foam in their roof line. Although, spray foam in your entire roof will be your best option, having Spray Foam USA fully inspect your attic and install a proper air seal will provide a positive impact on your home’s comfort and energy bill.  Spray Foam Insulation provides the best option, but may be more costly than a critical air sealed attic with additional insulation added for performance.  Please contact Spray Foam USA today if we can help you with insulating and air sealing your attic.


How much does spray foam insulation cost?

This is a common question asked by homeowners looking to have spray foam insulation installed in their home. General contractors and builders also wonder what is the cost to use spray foam insulation in their next project in place of traditional insulation.  There are a lot of factors that effect the cost of spray foam insulation.  If you are building a new home, renovating, or looking at adding additional insulation to your home, your spray foam insulation cost can vary based on what you choose.

There are two types of spray foam insulation commonly used today; Open Cell spray foam and Closed Cell spray foam. Open Cell spray foam typically costs around $0.40 to $0.70 per board foot depending on the amount of foam sprayed and the application circumstances. Closed Cell spray foam usually costs around $.75 to $1.50 per board foot with similar factors effecting the overall cost of the application.  Also, in many states there are Energy Rebates for people who use spray foam insulation.

What type of spray foam insulation should I use?

Open Cell spray foam is a low density product typically with a density of around .5 lb per cubic foot. Half Pound (.5 lb) Open Cell spray foam insulation typically has an R-Value of around 3.5 -4.2 per inch. The material expands approximately 100 times it’s liquid volume during the application process, allowing it to adequately seal any gaps, cracks, or penetrations on or around the substrate. Open Cell spray foam insulation is typically used in exterior walls, ceilings and attic spaces. This product is also used as a sound barrier and can be sprayed between floors and inside of interior walls.

Closed Cell spray foam is medium density product typically with a density of around 2.0 lb per cubic foot. Two Pound (2 LB) Closed Cell spray foam insulation has a higher R-Value of around 6.1-7.2 per inch. It expands approximately 30 times its liquid volume during the application process, which also gives this product the ability to perform as an air barrier and air seal your attic and other areas of the home. It can be used in all areas that Open Cell is used as well as other areas such as crawlspaces and basement walls.  Closed Cell spray foam insulation is resistant to moisture and therefore works well in damp environments.  Closed Cell also adds a lot of structural integrity and rack strength to the structure.

How does spray foam insulation cost compare to the cost of traditional insulation?

The cost of adding spray foam insulation to your next project may be 3 to 4 times the cost of traditional insulation, but the results will surely pay for themselves over time.  Most people who ask the question “How much does spray foam insulation cost?” should probably also ask themselves, “How much money does spray foam insulation save me?”.  Typically houses that use spray foam see anywhere from 25% to 75% savings compared to houses that are not insulated well and do not have proper air sealing.  Therefore, although the cost of spray foam insulation may be higher than other insulation methods, the long term savings make it worth to consider spray foam insulation.

How is spray foam insulation installed?

Spray Foam Insulation Cost to Install

The installation process of spray foam also adds to the spray foam insulation cost.  Unlike traditional insulation, spray foam insulation requires high tech equipment with highly trained technicians to install it.  At Spray Foam USA, our crews are all are trained by industry professionals and our mobile spray foam rigs are built to spray high quality spray foam insulation products.

How do I get an estimate for spray foam insulation cost?

If you are interested in getting an estimate for the cost of spray foam insulation, you can contact our sales team at 855-477-6725 or contact us at [email protected]  We will speak with you over the phone and setup a time for us to come out and measure your home.  If you are building a new home, we can estimate your project based off of your plans or by speaking with your builder or general contractor.



Winter Weather & Spray Foam Insulation

Winter made an extreme entrance for 2016 and spray foam insulation can help make the difference in how much you experience that weather in your home. Winter is the most prominent time to realize air loss and leakage in your home. We tend to notice the drafts of cold air from windows, doors and electrical outlets making its way into our cozy heated homes, but we also start to notice winter has effected our indoor environment other ways.  For those who request spray foam insulation during the winter,  the number one thing that lead them to spray foam was cold floors.

Cold floors are a result of a poorly insulated crawlspace. The air passes through the usual fiberglass insulation and penetrates the floor area where the heat is the less likely to make it way to. By installing closed cell insulation in your crawl space you will eliminate not only the air penetration but also moisture. Moisture can lead to a compromised building structure which also goes hand in hand with mold issues. An added benefit of adding closed cell foam to your crawlspace or attic, is that it will improve your building structure. When you go to plug up one of the many technological devices we find ourselves needing power for, check your electrical outlets. If you can feel the cold air pushing its way through, it is probably time to look at another insulation option for your attic. Spray foam insulation will seal up air leakage in your attic which is the largest contributor to air leakage.  If your outlets have cold air shooting through them, can you imagine all the areas that we don’t come in contact with directly that likely have the same issues?  Another way to help solve the annoying drafts and winter making itself apparent in your home, is using spray foam to weatherize windows, doors and other areas of air penetrating in. To help keep your home uninterrupted by winter, your best result is to air seal with spray foam insulation.