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  • 15121 Marlboro Pike, Upper Marlboro, MD 20772
    260 East Boulevard North Hagerstown, MD 21740
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Cavity Wall Insulation

Most newer homes in the Washington, DC area (and across the United States) have cavity walls—and insulating them is important. Cavity walls are two walls/materials separated by a hollow space (cavity). The materials are often masonry such as brick or concrete block.

Contact Accurate Insulation for a quote on your project, or keep reading to learn more!

Insulation for Cavity Walls

Insulation can be installed to help reduce heat loss through a cavity wall by filling the empty space with material that helps stop heat transfer. Cavity walls (in homes and commercial buildings) are often insulated when they are first built—but retrofit installation projects can be completed as well. Cavity wall insulation is usually blown into the cavity from the outside of the house.

Your home may need cavity wall insulation if:

  • Its external walls are unfilled cavity walls
  • The cavity is at least 50 millimeters wide
  • It is more than a couple decade old (homes built in the 1970s or earlier are more likely to not be insulated enough)

Keep in mind that it’s always a good idea to ask a professional. Someone on our team can assess your home’s walls and determine the right solution. Different materials can be used to insulate cavity and external walls, but in Maryland, spray foam insulation and fiberglass insulation are most often used.

Cavity Wall Insulation Contractors Serving MD & DC

Interior and exterior wall insulation can help you maximize your home’s energy efficiency and save the most money. As one of the biggest sources of energy loss in homes, walls should always be properly insulated.

Contact Accurate Insulation to learn more about our wall insulation services or to get a free estimate for your project!

Products We Install
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Fiberglass

Fiberglass insulation is a reliable, cost-effective solution that helps keep your home comfortable year-round by reducing heat loss and energy bills.

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Spray Foam

Spray foam insulation seals air leaks and boosts efficiency by expanding to fill gaps, making your home more energy-smart and comfortable.

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Cellulose

Cellulose insulation is eco-friendly and effective, made from recycled materials that help block heat loss and reduce noise in your home.

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Radiant Barrier

Radiant barrier insulation reflects heat away from your attic, helping to lower cooling costs and keep your home more comfortable in hot weather.

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Garage Doors

Garage doors combine curb appeal and functionality, offering secure, stylish access while enhancing your home’s energy efficiency and value.

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Gutters

Seamless gutters help protect your home from water damage by efficiently channeling rain away from your foundation, roof, and siding.

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Blinds

Blinds offer stylish light control and privacy, helping regulate indoor temperatures while enhancing the look and feel of any room.

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