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Insulation Companies in Portland

Insulation FAQs

When choosing a professional insulation installer, consider asking these questions to determine the best fit.

  • Will you address air leaks in my house?

  • Can you provide an R-value (heat resistance) fact sheet?

  • What kind of insulation will work best for my home?

  • How do you handle signs of a water leak?

  • Are you licensed and insured?

  • Can you provide customer references?

The best type of insulation for your home depends on what you need, so the answer will depend on your specific situation. If you’re building a house, structural panels are easy to install during the building process in addition to being the most energy efficient type. If you live in a warm climate, reflective insulation may benefit you more as it costs less than other insulation types. And for standard attics, loose-fill, spray foam, or blown-in insulation work well.

If you plan to heat or cool your garage, you’ll need to insulate the garage ceiling. Insulating your garage ceiling will make your garage much more energy efficient and save on heating and cooling costs. Not only does insulation make your garage more energy efficient, it helps reduce noise and can extend the life of your garage roof. You can use fiberglass, cellulose, mineral wool, or spray foam insulation for this project.

In some cases, you may not have enough insulation to properly regulate your home’s temperature. Watch for a few signs your home needs more insulation, such as:

  • High heating and cooling bills

  • Uncomfortable room temperatures 

  • Ice dams on the edge of your roof 

  • Roof leaks

  • Cold floors and walls

  • Freezing pipes

  • Temperature fluctuations

  • Visibly low insulation

  • Noise problems

  • Pest problems

On average, insulating an attic costs about $2,500, ranging from $1,500 to $3,500, depending on the insulation type, amount, and your attic’s accessibility. Additional cost factors include sealing air leaks, removal or replacement of insulation, and inspections. Types of insulation include:

  • Blown-in: $1–$4 per square foot

  • Spray foam: $2–$5 per square foot

  • Batt: $2–$4 per square foot

  • Structural insulated panels: $4–$7 per square foot

  • Loose-fill: $2–$5 per square foot

  • Reflective: $0.50–$1.50 per square foot

The homeowners guide to Insulation Services
From average costs to expert advice, get all the answers you need to get your job done.
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Learn the key factors that influence the cost of renting a blown-in insulation machine.
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Sep 25, 2024
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Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
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Trying to calculate how much spray foam insulation costs? Our in-depth guide breaks down pricing by type, amount, and where you install it.
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The best insulation for your basement depends on the insulation location, budget, and climate. Here’s what you need to know about insulation for basements.
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Nov 27, 2023
We’ll walk you through how to install spray foam insulation in your home—and when it makes sense to call in a pro.
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Nov 21, 2023
Nov 21, 2023
Floor insulation has some of the guts and glory of eliminating outside drafts. Use this guide to learn the best insulation method for your floors.