Energy saver walks us through the attic of a home in connecticut that had been previously insulated by another contractor to illustrate common mistakes being perpetrated by many insulation contractors across the country.
Wrong attic insulation.
In episode 71 of the on the job video series larry janesky owner and founder of dr.
It can potentially cause moisture problems.
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.
Energy saver walks us th.
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.
These thermal defects undermine the r value of your attic insulation.
In such cases double insulation is not better.
Insulation attic insulation done wrong.
R value simply means resistance to heat flow.