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Radiant Barrier Insulation vs Foam Insulation

Radiant barrier insulation in an attic

If you are considering options for keeping your attic cooler and increasing the comfort of the interior living spaces in your home, it’s important to consider your options. Radiant barrier insulation and spray foam insulation both offer benefits for homeowners, including cost effectiveness and function. Let’s take a look at the differences between the two options and how to choose the best solution for your home.

Why You Should Consider Installing Radiant Barrier Insulation

If you are more concerned with comfort than energy savings, a radiant barrier insulation system is certainly the way to go. Insulation absorbs radiant heat and essentially slows down the heat that infiltrates your home. With a radiant barrier insulation installation, your home will reflect the radiant heat and significantly increase the efficiency of your HVAC system and existing attic insulation.

Radiant barrier insulation can reflect up to 97% of radiation and reduce attic temperatures dramatically. This, in effect, will reduce the amount of radiant heat that leaches into your home from your attic, making it more comfortable for you and your family, especially in the warmer months.

A radiant barrier insulation system can reduce your attic temperature by as much as 30°F, providing cooler attic spaces and, more beneficially, more comfortable living spaces within your home without the extra load on your cooling system.

Benefits of Installing Spray Foam Insulation

Spray foam insulation being installed on a wall

If you are more concerned with energy efficiency, spray foam insulation is a great solution for your home. This option is a great way to help your home retain heat in the winter time and keep your attic space significantly cooler in the summer months. This system also helps to reduce the difference in temperatures between your home and attic space, helping your HVAC system perform more efficiently.

Spray foam insulation is also a great option for homes that are smaller, or for homes with attic spaces that are difficult to insulate with alternative insulation. We recommend you check with the manufacturer of your existing roof’s shingles, as the installation of spray foam insulation may void the warranties when used.

So Which Kind of Insulation Should You Install?

The best way to decide which kind of insulation to install is to speak with a professional. At Gold Star Insulation, we offer free consultations to ensure you get the right insulation for your needs, budget, and preferences. If you live in the Sacramento area, call us now for help deciding which kind of insulation you should install—(916) 229-8445!

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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