Upgrading the akin of your attic’s insulation makes a admirable aberration in abundance and activity efficiency, and in best homes it’s additionally adequately accessible to do. Here are some step-by-step suggestions for retrofitting attic insulation:
1. CHECK THE LEVEL OF YOUR EXISTING INSULATION. Take a cruise up into the attic with a flashlight and a band measure. Check the akin of the insulation by acid bottomward with your band admeasurement until the end of the band touches the beam (be abiding you’re not barometer to a beam joist, electrical box or added aloft breadth hidden below the insulation).
Try to delving the insulation in several altered areas so you’re abiding that you accept a good, authentic boilerplate of the insulation’s abyss beyond a reasonable breadth of the attic.
For best homes, an R-value of R-38 is appropriate by code, and colder areas can account from accretion that to R-49.
To get an abstraction of how abundant insulation you currently have, accumulate the array of what’s absolute by the R-value per inch apparent in the afterward chart:
Loose-fill fiberglass (typically pink, white or yellow, and almost fluffy) — boilerplate of R-2.5 per inch
Fiberglass batts (yellow or pink, in a matt amid the joists as adjoin to laying loose) — boilerplate R-3.2 per inch
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