Frequently Asked Questions

We understand that there are many questions when it comes to insulation, so we have the answers!

What is R-value?

The R-value of any insulation refers to how well it stops the transfer of heat between the area behind the insulation and your living space. A higher number is generally better. R-values are determined by the weight per square foot, thickness, and type of material and can range from around 3.1 or more for an inch of blown fiberglass insulation to 6.0 or higher for closed-cell spray foam insulation.

How much insulation does my home need?

R-value recommendations are based on geographical location, which is divided into zones. The Tampa Bay area falls under Zone 2, and attic insulation in Tampa is recommended to have an R-value between R30 and R60. If there is an existing three to four inches of attic insulation present, it is recommended to add R25 to R38. Our insulation experts will carefully inspect your home and calculate your exact needs for maximum comfort and efficiency.

How much can I expect to save by adding more insulation to my home?

The U.S. Department of Energy estimates that the average home spends nearly $1,500 a year on energy, with over 40% of that figure going towards heating and cooling. They also estimate that homeowners may be able to reduce those costs by 10 to 50% by implementing energy-saving measures, including additional insulation.

What are the different types of insulation materials available?

Common insulation types include:

  • Fiberglass: Made from recycled glass, sand or other materials, and produced in blanket, batt or loose-fill forms.
  • Spray Foam: This material is sprayed on wet and expands as it dries to fill in gaps and fit snugly within the wall cavities.
  • Cellulose: Loose-fill insulation that is made from recycled paper, to which a flame retardant is added.
  • Rockwool: Similar look and feel of fiberglass but made from rocks and minerals and typically blown in.
  • Rigid Foam: Most common in new construction and foam panels of varying thicknesses can be cut to fit.
  • Radiant Barrier: As an added layer of insulation, a radiant barrier is installed in the attic, under the roofline, where the reflective coating serves to limit the transfer of heat.

What are the benefits of insulation?

Adding more insulation to your attic space and ensuring you have adequate amounts of insulation in your floors and walls can result in a number of benefits, including:

  • Reduced energy costs
  • No hot and cold spots
  • Less wear and tear on heating and cooling equipment
  • Increased comfort
  • Sound dampening
  • And more!

How do I choose the right insulation contractor?

Ask your contractor the following questions before hiring:

  • Are you licensed and insured? Ask to see the contractor’s license and if in doubt, verify it with the Florida Department of Business & Professional Regulation.
  • How long have you been in business? Choose a contractor that has established a solid reputation within the community.
  • Do you have three local, recent references? Verify the references you are given and ask each customer if they would hire the contractor again.
  • Can you provide me with a detailed, written estimate? Be sure to have a complete, signed contract in place before any work begins.
  • Do you have a permanent business address? Verify the location of the business and whether or not they have a good professional standing in the area.

How Do I Know If I Need More Insulation?

Take a look in your attic, and if you can see your floor joists, there is evidence of mold, the insulation looks rotten or deteriorated, or there are bare spots with no insulation, contact Installed Building Products of Tampa for expert advice.

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