How Much Insulation Do You Need in Your Attic?

Attic insulation is crucial in keeping your home comfortable and energy efficient. However, the most common question homeowners ask is “How much insulation do they need?” The answer relies on your location, attic condition, and the insulation type you’re using. It is where an attic insulation contractor helps you understand the situation.

 

 

Understanding the R-Value

Insulation is measured using the R-value; the higher the value, the better the material resists heat flow. The energy department recommends different R-values for various climatic zones. For most attics, the suggested range is R-38 to R-60.

Colder climate zones, the North and Midwest regions, must aim for R-49 to R-60. Furthermore, moderate climatic zones, the Mid-Atlantic and Pacific Northwest, must go from R-38 to R-49. Meanwhile, warmer climates (South Southwest) must opt for R-30 to R-49. If you’re unsure of your zone, consult spray foam insulation contractors to guide you.

Check your insulation

Before adding any insulation, check what’s already in the attic. If your attic floor is covered and the insulation is level with or below the joists, you need the required services. In contrast, if the insulation is evenly distributed, it might be in good shape.

Measure what you’ve got in the attic. For instance, Fiberglass batts (pink or yellow rolls) must be around R-3.2 per inch. Furthermore, blown-in cellulose should be roughly R-3.2 to 3.8 per inch. Additionally, spray foam or closed-cell must be up to R-6.5 per inch. Multiply the thickness by the R-value per inch to estimate the current level.

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When should you add more?

If your energy bills are higher than normal or the HVAC system runs nonstop, your attic might be under insulated. Hence, adding insulation lowers heating and cooling costs by 15%, as per the Energy Star.

In certain cases, you don’t need to remove old insulation. Instead, you can add a new insulation layer on top. Ensure your attic is properly sealed and ventilated before adding extra insulation.

For more information, contact: (306) 880-2878

The Bottom Line

The appropriate amount of attic insulation depends on the climate and current settings. But most homes benefit from R-38. If you’re unsure where to start, a quick consultation with a roof repairs Saskatoon contractor goes a long way. Call a contractor if your energy bills are high, rooms feel drafty, or your insulation looks thin, damaged, or outdated—especially before peak heating or cooling seasons.

To get more details, visit https://www.magnusconstruction.ca/

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