- BY Brian Roam
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Having old, ineffective insulation in your home is a significant concern. This raises several questions. How often does attic insulation need to be inspected? How long will it last and for how many years can it be expected to provide effective insulation? Finally, what are the benefits of removing old attic insulation? Let’s find out.
Why Old Insulation Needs Replacing
There are many reasons why replacing old insulation is necessary. First, rodents and other pests typically nest in fiberglass or cellulose. If your attic has issues with moisture, so does your fiberglass or cellulose in those areas. Additionally, asbestos can still be found in older homes across the U.S., which is a dangerous material. Lastly, traditional insulation allows for air movement into the home, and with that air comes allergens and pollutants.
How Often Does Insulation Need Replacing
According to ACT Home Specialists, even though attic insulation is said to last anywhere from 80 years to 100 years, it does lose effectiveness as its ages. It is recommended to replace it after 15 years to assure it is doing the job you need it to. Check the insulation if you ever have a leak in your roof to ensure it has been compromised.
Why You Should Use Spray Foam Insulation
Spray foam insulation creates a tight seal. Compared with traditional fiberglass insulation, it is exceedingly effective at producing a layer of insulation with no air infiltration. Spray foam attic insulation is created by combining an isocyanate and polyol resin. When mixed, they expand and fill every nook and cranny. Insulate the attic or roof of a new home by installing spray polyurethane foam insulation – either open-cell or closed-cell – on the underside of the roof deck. Spray foam insulation is lifetime attic insulation, so you’ll not have to worry about it as much.
Spray foam insulation is typically the best choice for your attic when your current insulation needs replacing. For more information on spray foam insulation, contact us at Idaho Insulation today.
