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  • Immediate Savings, Save up to 20% or More on Your Monthly Electric Bill
  • Improve A/C Temperature Control by Keeping Conditioned Air In and Hot Attic Air Out
  • Improve Indoor Comfort by Improving your A/C's Efficiency
  • Affordable and Non-Invasive, No Need to Leave Home During Installation
  • Professional and Quick, Most Jobs Complete in One Day

Blown-in Fiberglass and Cellulose Insulation is a relatively inexpensive and effective way to improve your existing attic insulation. Adding more attic insulation helps reduce your energy bills, allows you to reach your A/C set temperature and makes your home more comfortable.  Most South Florida attics can be insulated in one day with blown-in insulation and it doesn't require that you leave the home while it's being installed. 

How can you tell if you need more blown-in insulation? The general rule of thumb is that if you can see the wood trusses on the attic floor that you can walk/crawl on, it's time to add more attic insulation. If you can see the back of the drywall while you're in the attic, then you definitely need more insulation! 

While blown-in insulation may not be as effective as spray foam insulation, it does a good job at helping to separate your hot attic from your conditioned living space. Many homes in Florida have original blown-in fiberglass or fiberglass batt which has settled or shifted overtime due to people working in the attic and humidity causing the insulation to settle. Adding more blown-in fiberglass insulation can help to keep your house cool and save up to 20% or more on your electric bill depending on the condition of your existing insulation and how cool you keep your home.

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There are two different types of blown-in insulation that are commonly installed in existing Florida attics. These are blown-in fiberglass and blown-in cellulose. The main difference between the two are the materials that make up their composition. Fiberglass is largely made from sand and glass that is heated up and spun together to create fibers that is then treated with fire retardants. It has a pink or white finish depending on the manufacturer. It has an R-value of about R-2.9/inch and is commonly installed a thickness of 10.5" for R30 or 13.25" for R38.

Cellulose is made from recycled paper products that is ground up and treated with fire retardants. It has a dark gray/brown finish. It has an approximate R-value of R-3.3/inch and is commonly installed to a thickness of 9" for R30 or 11.5" for R38. Cellulose has the added benefit of being an excellent sound insulation when installed in existing, enclosed, wall or ceiling cavities. It can be blown-in under pressure to a density of over three pound per cubic foot making it one of the most dense products you can put in a framing cavity. You just need to make sure that the cavity is empty to ensure the best results.


Both blown-in fiberglass and blown-in cellulose are equally effective in terms of energy efficiency at reducing heat flow from your hot attic to your conditioned living space, you won't save more on your FP&L bill with one versus the other. 

Interested in seeing if blown-in insulation is right for your attic? Give our insulation experts a call today and see how we can help better insulate your home!

Get a Free Blown-in Quote Today!

Call us at 954-459-4419 or submit a contact form below and we'll reach out!

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