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Painting Over Spray Foam Insulation: Dos & Don’ts

Spray foam insulation is one of the most effective ways to seal and insulate nearly any structure, and in most areas, it’s covered by drywall for an attractive, finished look.

But in exposed areas like the attic or a garage, the surface texture and the off-white to yellow coloring may be off-putting. Painting spray foam insulation to have it blend in with its surroundings is possible, but there are some factors to consider.

In this blog post, we’ll discuss the dos and don’ts of painting over spray foam.

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What Kind of Paint Should I Use To Paint Spray Foam?

spray foam insulation being installed by technician in hazmat suit, in ceiling of unfinished attic.

The best paint to use over spray foam insulation is a water-based solution like latex or acrylic paint. These paints offer superior coverage, they’re easy to apply and they’re safe for the underlying foam.

Brushes and rollers can be used to apply the paint, but for the most even coverage on the highly textured surface of the spray foam, it’s best to use a commercial-grade paint sprayer. Do not use any solvent or oil-based paints, as they can damage the foam.

Before any paint is applied, it’s essential to allow the spray foam to properly cure. Most products will be fully cured after 24 hours, but it’s best to reference the installation instructions from the spray foam manufacturer.

Painting Open-Cell vs. Closed-Cell Spray Foam

Both open-cell spray foam and closed-cell spray foam are paintable, but you must be careful with both. Closed-cell spray foam tends to offer a more rigid surface, but it can be smoother, making it harder for the paint to adhere. Several light coats may be necessary for the best coverage.

Open-cell spray foam is softer and more flexible in nature, which means that if you press too hard, the foam can be dented or crushed. This makes a paint sprayer the best application method over open-cell foam, as rollers or brushes may damage the surface.

If you want the finished product to look as attractive as possible, it’s best to leave the painting to a professional painter with the proper sprayers and equipment.

Choose Gold Star Insulation for Spray Foam Insulation Services in California

Are you considering spray foam insulation for your California home? When you need a professional for a high-quality insulation installation in Sacramento, Modesto, Elk Grove or surrounding areas, contact Gold Star Insulation.

We’re a BPI-certified company that installs residential and commercial insulation, and we work with builders, contractors and homeowners to deliver comfortable, energy-efficient insulation solutions.

We offer top-quality spray foam, fiberglass, cellulose, rigid foam and more, and our experts can help you select the best product for each area of your home. We provide top-quality service and work, with many impressive reviews, and we have an A+ rating with the BBB.

Improve the performance and comfort of your home with spray foam insulation from our team at Gold Star Insulation.

Request a spray foam insulation estimate in the Sacramento area by calling (916) 229-8445 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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