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Adding More Attic Insulation

If your energy bills are higher than normal but there hasn’t been a usage increase and you think your home doesn’t have enough insulation, consider the attic. As one of the most significant sources of energy loss in a home, the attic is a good place to insulate.

How do you go about adding more attic insulation and increasing your home’s energy efficiency?

Increase Attic Insulation & Home Energy Efficiency

When you need to re-insulate your attic, it’s best to turn to the professionals. One quick way to check is by poking your head up into the attic (if you have access). If your insulation is just level with or below your floor joists (if you can easily see your joists), you probably need more. Once you determine this, call a local company—Gold Star Insulation is a good name to know if you’re in the Sacramento area! Professionals will assess your space and:

  • Tell you how much insulation you need
  • Determine the best material(s) to use
  • Let you know if the current insulation should be removed
  • Recommend other energy saving solutions (air sealing, energy audit, etc.)

Before insulating, it’s best to take care of air leaks and roof repairs. In some cases, new insulation can be added to existing layers, but sometimes removal and replacement is necessary. Generally, the recommended R-values/level for most attics is to R-38 or about 10 to 14 inches, depending on several factors (insulation type, style and size of attic, etc.). But keep in mind that this may not necessarily be applicable to your specific space.

You do not have to use the same type of insulation that is currently in your attic. You can add loose fill on top of fiberglass batts or blankets, and vice-versa. If you use fiberglass over loose fill, make sure the fiberglass batt has no paper or foil backing; it needs to be unfaced. It is recommended that the second layer be applied across the joists and all batts be installed so there are no gaps between them. Radiant barriers are also recommended for attics of homes in warmer climates (like here in Sacramento).

In unfinished attic spaces, it’s recommended to insulate:

Unfinished

  • Between and over the floor joists to seal off living spaces below
  • Attic access door

Finished

  • Between the studs of knee walls
  • Between the studs and rafters of exterior walls and the roof
  • Ceilings with cold spaces above

Learn more on the Department of Energy, NAIMA and ENERGY STAR® websites.

Insulation Installation in the Sacramento Area

Do you need to install more attic insulation? Call Gold Star Insulation. We offer a variety of materials and can help you determine the right solutions for your space. Take action now before the holiday chaos sets in. Contact us today for a free quote and get started on your project!

Where should you insulate in your home? Check out our interactive infographic:

Products We Install
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Energy Audits

Our team can help you save money with a home energy audit and air sealing services.

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Fiberglass

Our insulation team installs batt and blown-in fiberglass insulation.

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Cellulose

Environmentally friendly and effective, cellulose works well in homes and buildings.

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Spray Foam

Gold Star Insulation is a leading installer of spray foam insulation in the Sacramento area.

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Radiant Barrier

An attic radiant barrier can help keep your home cooler and more comfortable.

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Insulation Removal

Gold Star Insulation provides home insulation removal services.

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Air Sealing

We are committed to saving you money by sealing your attic—which is the main source of air leaks in the home.

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