• 600 S. Vincent Ave. Azusa, CA 91702
Proudly Serving All of California (800) 707-9278

Spray Foam Insulation in Southern CA & the Bay Area

Call (800) 707-9278 to Schedule an Appointment Today!

Are you looking for a high-quality insulation contractor in Southern California or the Bay Area? OJ Insulation works with builders and contractors in San Diego, Los Angeles, the Bay Area and the surrounding communities to install energy-efficient spray foam insulation for new residential and commercial construction and retrofit projects.

If you need to insulate any hard-to-reach areas of your home such as the attic, crawl space or any area with an abundance of wiring, spray foam insulation is the most energy-efficient and the easiest to install. If you are building a new home or commercial building, choosing spray foam is an effective way to save money on your monthly heating and cooling costs. Our insulation experts will work with you to find the right spray foam solution for your insulation needs and your budget.

Contact our team of spray foam installers online or call us at (800) 707-9278 for a free estimate on your Southern California or Bay Area insulation project!

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Our Spray Foam Insulation Installation Service Area

We currently offer spray foam insulation installation services to homes in the following locations and their surrounding communities:

What Is Spray Foam Insulation?

Spray foam insulation is made of isocyanate and polyol resin, which react with each other to create polyurethane and expand 30 to 60 times the original liquid’s volume. When used in home insulation, it is beneficial for insulating even the hardest-to-reach spaces since it is applied wet and expands into a thick foam, fitting snugly in wall cavities, crevices and gaps.

Benefits of Spray Foam Insulation

Spray foam insulation is often made from polyurethane, a very energy-efficient material that will help keep out the California heat while keeping the cool air in. Other benefits of installing spray foam insulation can also:

  • Make your home or business more environmentally friendly
  • Improve your indoor air quality
  • Prevent air and moisture infiltration
  • Increase your HVAC system’s efficiency
  • Reduce noise levels between rooms and levels as well as from outside
  • Save you money on your monthly energy bill

Call us today at (800) 707-9278 or contact us online to get in touch and request a free estimate on your spray foam installation!

What R-Value Does Spray Foam Insulation Have?

If you are looking at different insulation options for your home or business, you’ll undoubtedly come across what is known as an “R-value.” R-value measures the capacity for insulation material to resist the transfer of heat effectively. A higher R-value demonstrates a greater ability for a material to insulate a space. Typically, spray foam insulation provides an R-value of about R-6.5 per inch, which is more than cellulose or fiberglass insulation, which can range from R-3 to R-4 per inch. Customers really notice the difference in those R-values during the peak heat of summers in Southern California, as well as the rare chilly winter nights.

Contact our insulation experts for more information on spray foam and how it can help reduce your energy costs!

Schedule Spray Foam Insulation Services in Southern California & the Bay Area

OJ Insulation has been one of the leading insulation installers in California since 1984. With locations across the San Diego, Los Angeles and Bay Area regions, we are poised to service any insulation construction project, no matter where you are. Our professionals can install insulation in wallsattics and crawl spaces, and we offer knowledge, experience and resources that few companies can match. Whether you are a homeowner who needs to re-insulate your home or a contractor who needs to install fiberglass in a new home you’re building, OJ Insulation can help.

There is no insulation job too small or too large for our experienced installers, and when you work with our professional team of contractors, you can have peace of mind that you’re getting top-notch service.

To learn more about our spray foam insulation services or if you’re ready to start your project in Southern California or the Bay Area, contact us online today or give us a call at (800) 707-9278!

Free Estimate

Frequently Asked Questions

How much does insulation save?

According to the U.S. Department of Energy, about 45% of a typical homeowner’s utility bill comprises heating and cooling costs. You can save up to 50% on your energy bills, and re-insulating is a great way to increase your home’s energy efficiency. Specifics about how much energy you can save with insulation depend on factors like the size and construction of your house, the type of HVAC systems you have and more.

What's the difference between open-cell and closed-cell spray foam?

Both open-cell and closed-cell spray foam are applied as a liquid that quickly expands to fill any gaps or voids. Open-cell spray foam expands more than closed-cell foam, and many of the bubbles (which provide the material’s insulation value) break open. This means that it offers a lower R-value of about R-3.5 per inch compared to R-6 to R-7 per inch for closed-cell spray foam.

Its resistance to moisture and airflow are also reduced, making open-cell spray foam less capable of air sealing and waterproofing. Closed-cell spray foam is the better choice for insulation, air sealing and waterproofing performance, though it is more costly than open-cell foam.

How do I know if I have enough insulation or if I need to re-insulate my home?

As a general rule of thumb, homes built in the 1970s or earlier tend to lack sufficient insulation according to today’s energy-efficiency standards. This isn’t always the case, so be sure to check with a professional insulation company first! However, there are some signs you can look out for that may indicate your home has an insufficient amount of insulation, such as:

  • High utility bills compared to similar area homes
  • Difficulty keeping your home comfortable
  • Hot or cold spots in rooms
  • Drafts near windows or doors
  • Exterior walls or floors that are hot in the summer or cool in the winter

Our experts at OJ Insulation can evaluate your home and determine where adding insulation will make the most sense for your needs and budget.

Is there such a thing as too much insulation?

If your home is under-insulated, adding more insulation can help you save money and improve comfort. However, once your home has the recommended insulation levels for your area, adding more is not only a possible waste of money, but it can actually be detrimental to your comfort and air quality. If your home is too airtight, pollutants like dust, pollen and cooking odors will linger, requiring an energy-wasting ventilation system to bring in fresh air. Additionally, moisture can collect in over-insulated homes, leading to mold issues.

Going above the recommended insulation levels for your area is unnecessary and costly. In Southern California, that typically means no more than R-60 in the attic, R-21 in the walls and R-25 in floors or crawl spaces.

How is spray foam insulation applied?

Spray foam insulation is applied using small spray containers. In larger quantities, it can be applied as a pressure sprayed product. This is often referred to as foamed-in-place insulation.

What are the advantages of spray foam insulation?

Spray foam is good for adding insulation to existing finished areas, irregularly shaped areas and around obstructions such as HVAC ducts, rafters, joists and other attic parts. That’s why it’s common for spray foam to be part of the attic insulation mix.

Where should spray foam be used?

Spray foam’s versatility is what makes it such a good choice: It can be used to insulate enclosed existing walls, open new wall cavities and unfinished attic floors.

Does spray foam insulation help reduce air leaks?

Yes. You can use the small pressurized cans of foam-in-place insulation to reduce air leakage around window and door frames, electrical outlets and plumbing.

To determine the ideal insulation levels for your home, call (800) 707-9278 or contact our experts online.

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

Home Insulation

We insulate attics, walls and crawl spaces.

Commercial Insulation

We insulate warehouses, offices, studio spaces & more.

Insulation Removal

Do you need to remove old insulation? We can help.

Fireplaces & Mantels

We work with builders to install fireplaces and mantels.

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