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Rigid Board Insulation Installation

When most homeowners think of insulation, they picture the pink fibers that look kind of like cotton candy. In other words, they think of “fluffy” insulation, but there is another type of insulation that can help reduce your energy bills – rigid foam board insulation.

OJ Insulation has worked with many builders and contractors to install rigid foam insulation in new homes and buildings throughout the San Diego and Los Angeles areas. Contact us to get a free estimate or to discuss your project!

Wooden beams with skylight in attic

Rigid board insulation is exactly like it sounds – it is available as a foam panel that can be cut easily enough. 2′ x 8′ and 4′ x 8′ are the sizes most often used, but the panels vary in thickness and width. Rigid foam board insulation is often overlooked, but it is a great solution for insulating homes and maximizing energy efficiency.

Keep in mind: just because rigid foam board insulation panels are easy to cut, it doesn’t mean the average homeowner should try tackle an insulation installation project without consulting professionals. If you want to insulate your Southern California or Bay Area home with rigid board insulation, the experts at OJ Insulation can help!

Rigid Foam Board Insulation

There are three types of rigid foam board insulation:

  • Polyisocyanurate (polyiso): polyisocyanurate rigid board insulation typically comes with reflective foil facing on both sides. This makes it ideal for the attic, as the foil helps your home reflect, rather than absorb the sun’s energy, creating a much cooler environment in the summer.
  • Extruded polystyrene (XPS): extruded polystyrene rigid board panels have smooth, plastic surfaces and are extremely durable. XPS rigid foam board insulation is also ideal if you are worried about water infiltration issues, as it doesn’t absorb water easily.
  • Expanded polystyrene (EPS): EPS rigid board insulation is also good for reducing moisture infiltration and can be used for both new construction projects and re-insulating. It has a lower R-value than both XPS and polyiso board.

Benefits of Rigid Foam Board Insulation

The benefits of installing rigid foam board insulation don’t differ significantly from installing other materials. Whether it’s used for attic insulation or another project, rigid board insulation can:

  • Increase the energy efficiency of your home and reduce your energy bills
  • Keep your home cooler in the summer and warmer in the winter
  • Muffle noises from outside
  • Reduce your carbon footprint

Unlike other types of insulation, however, rigid foam board insulation is better at reducing moisture infiltration and associated problems such as mold and mildew growth, wood rot, etc. Rigid foam board insulation panels can also eliminate air infiltration, making them an ideal choice for older, drafty homes.

Want to insulate your home with rigid board insulation or learn more about it? Contact OJ Insulation and schedule a free assessment for your California home!

Frequently Asked Questions About Rigid Board Insulation

What is rigid board insulation?

Rigid board insulation is a durable insulation product made from foam panels that are installed on walls, foundations, roofs, and other areas of a home or building. It provides a high level of thermal resistance and can help improve energy efficiency and comfort year-round.

Where can rigid board insulation be installed?

Rigid board insulation can be installed in a variety of locations, including exterior walls, basement walls, crawl spaces, attics, garage walls, and foundations. Its versatility makes it a popular choice for both new construction and remodeling projects.

What are the benefits of rigid board insulation?

Rigid board insulation helps reduce heat transfer, improve indoor comfort, and increase overall energy efficiency. It can also help minimize thermal bridging, provide moisture resistance in certain applications, and contribute to lower heating and cooling costs.

Is rigid board insulation waterproof?

Many rigid foam insulation products offer excellent moisture resistance, making them suitable for below-grade and high-humidity applications. However, the level of water resistance varies by product type and installation method, so it’s important to choose the right material for your project.

How does rigid board insulation compare to fiberglass insulation?

Both products help improve energy efficiency, but rigid board insulation typically provides a higher R-value per inch and can help reduce air leakage when properly installed. Fiberglass insulation is commonly used inside wall cavities and attics, while rigid board insulation is often used on exterior surfaces, foundations, and specialty applications.

Is rigid board insulation a good choice for California homes?

Yes. Rigid board insulation can help California homeowners improve energy efficiency, reduce heat gain during hot summers, and maintain more consistent indoor temperatures. It is commonly used in both residential and commercial construction throughout the state.

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

SERVICES WE PROVIDE
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Home Insulation

We insulate attics, walls and crawl spaces.

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Commercial Insulation

We insulate warehouses, offices, studio spaces & more.

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Insulation Removal

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

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Fireplaces

We work with builders to install fireplaces.

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