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Do I Have Enough Wall Insulation?

As one of the most significant sources of energy loss, the attic is important when it comes to insulation (and we’ve written a lot about attic insulation on our blog!) but the walls are also important.

Do your walls have enough insulation? How do you know if you need to add additional materials? Keep reading to learn more!

Signs to Look For

We always recommend professional help for insulation projects, but there are easy ways to do quick checks yourself. If you don’t want to make a hole in the wall, the easiest technique is to remove the light switch plate or electrical outlet plate and look to the side of the box. To the side of the box, the wall will appear either empty or you’ll see insulation. Other signs you may need more insulation in the walls include:

  • Energy bills that are higher with no increase in usage
  • Drafts and uneven temperatures from room to room
  • Outside noises that seem louder than usual or louder than they should be
  • Old age (if your home was built in the 1970s or earlier, there’s a higher chance you don’t have enough insulation to meet today’s standards)

If noises from adjacent rooms inside seem louder than they should, you may need more interior wall insulation. Insulating interior walls doesn’t affect energy efficiency/weatherization but offers soundproofing benefits.

Wall Insulation Contractors Serving Sacramento

The majority of houses have some sort of insulation, but older homes probably don’t have enough. If you suspect your walls—or other areas in your home—may need more insulation, call the experts at Gold Star Insulation! We have been insulating Sacramento, California homes for years.

Contact us today to learn more!

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

Products We Install
Energy Audits

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


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


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

Spray Foam

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

Radiant Barrier

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

Insulation Removal

Gold Star Insulation provides home insulation removal services.

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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