Blow-In Fiberglass Insulation

As the blown-in fiberglass settles, its R-value decreases. The insulation is no longer effective once the R-value dips below where it should be. Over about fifteen to twenty years, the settling will impact the R-value of the insulation. This is why it is so important if your home is over 10 years old, the insulation needs to be inspected.

Blown-in fiberglass is a budget insulation product. Compared to fiberglass batts, it offers better performance. If you’re looking to insulate your attic, blown-in fiberglass is worth researching. However, blown-in fiberglass is not the insulation you want for any DIY project.

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