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

Dow Insulation

Do you need to insulate a home or commercial building in Southern California? OJ Insulation works with homeowners, builders, contractors, and business owners throughout the San Diego and Los Angeles areas—and we pride ourselves on installing insulation from the industry’s top manufacturers.

Dow Building Solutions, a division of The Dow Chemical Company, is a leading manufacturer of STYROFAM™-A and XENERGY™ extruded polystyrene (XPS) insulation. They are also a member of the Passivhaus Trust and strive to stay environmentally friendly and find effective ways to reduce energy use and carbon emissions while providing high standards for comfort and building health.

Dow Insulation Products

Dow offers several different insulation products for:

  • Roofing
  • Ceilings
  • Interior, exterior and cavity walls
  • Attics
  • Garage and entry doors
  • Modular structures
  • Geotechnical applications where long-term strength and thermal performance are required
  • And more

There are a lot of different products to meet every need—visit Dow’s website to see a full list of their solutions and to learn more about their insulation products.

Their collection of rigid board insulation is ideal for commercial and industrial buildings, such as warehouses, office buildings, recording studios and more and can offer reliable long-term strength and high performance.

Contact OJ Insulation to learn more about our insulation manufacturers or if you want to install Dow insulation!

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.


We work with builders to install fireplaces.

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