What is Retrofitting Insulation?

Have you ever walked past an exterior wall of your house only to feel the winter wind coming through the insulation? Homes insulated 30 years ago have lost a substantial portion of their R-value over three decades. If your exterior walls feel cold to the touch in the winter or neglect to block the wind, a good way to lower your energy bills and make your home more comfortable is installing retrofit insulation. In fact, re-insulation can make your home a lot more energy-efficient and help you save money!

When it comes to installation methods, insulation retrofitting can differ from new home construction insulation, but the material choices are generally the same:

• Fiberglass
• Cellulose
• Spray foam
• Radiant barrier

Of these choices, non-expanding spray foam offers the least intrusive installation process paired with the most longevity and best energy savings.

Do You Need to Re-Insulate?
First things first—how can you even tell when it’s time? You may need retrofit insulation if:

• Your energy bills have been increasing
• It’s drafty and uncomfortable in your house
• Temperatures from room to room aren’t even
• The AC is running more than normal in the summer

While there are other signs of a poorly insulated home, these are the most common ones experienced by homeowners. Of course, you can always talk to a professional insulation company. And scheduling an energy audit, like a blower door test here, can help you determine your needs.

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