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How Often Should Insulation Be Replaced?

Many homeowners wonder when to replace their insulation. It’s probably on your mind if you’ve noticed a spike in your energy costs. However, there’s no single answer for all situations! There are many different factors to consider when it comes to replacing insulation and whether it should be done at all. The Gold Star Insulation team hopes to shed a little light on this topic.

Factors That Affect Replacing Insulation in Your Sacramento Home

Insulation is manufactured to last a lifetime, and that’s a fact. If it wasn’t a quality product, we wouldn’t offer it! However, numerous occurrences and instances may expedite or necessitate a replacement:

  • Settling. When your insulation is first installed, it’s laid to fill all of the space it needs to effectively, but due to the nature of the product, it begins to settle a bit over the first year. This may end up leaving areas exposed, causing a need for replacement or addition.
  • Outdated material. If you’re living in or have recently purchased an older home, it’s a good idea to have the insulation checked, if not outright replaced. Old insulation is often worn to the point of near uselessness, and particularly so for the older materials of the past (such as cotton or wool, both of which are rarely or no longer used at all).
  • Mold or mildew damage. Fungal growth is uncommon but possible in insulation, particularly if the humidity is too high in the places your insulation resides. These situations can rapidly decay and destroy your insulation, and a replacement should be done immediately.

Read more about insulation removal and replacement »

Generally, if you’ve noted the presence of pests, mold, rodents (bats included!) or moisture, or you’ve seen a spike in your heating and cooling costs, it’s a good idea to consider re-insulation. To help ensure your insulation is up to snuff, we suggest an energy audit, particularly if you’re in an older home.

Professional Insulation Assistance in the Sacramento Area

Still wondering, “How often should I replace insulation?” There is no perfect answer, but the professionals at Gold Star Insulation can offer you our top-tier service and skill. If you suspect your insulation may need a professional assessment, don’t hesitate to contact us today!

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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