Wrong Attic Insulation

And how to do it right.
Wrong attic insulation. These thermal defects undermine the r value of your attic insulation. For an attic or crawlspace basement encapsulation existing insulation on the attic floor or crawlspace subflooring must be extracted so as not to create two thermal boundaries. Simple thermal analysis reveals that if you have 5 missing insulation in an attic bare sheetrock you ll have a slightly more than a 54 drop in r value. In such cases double insulation is not better.
Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video. R value simply means resistance to heat flow. In episode 71 of the on the job video series larry janesky owner and founder of dr. Insulation attic insulation done wrong.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. Energy saver walks us th.