Insulation

Submitted By
Dwhitsd
Answers
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Q:

We are planning to build a new house soon.  I hear conflicting ways to insulate and put moisture barriers in.  My question is this.  In 2x6 walls is it better to use nonfaced batts and put plastic over them before dry walling and on the ceiling do you need to put a moisture barrier on before the dry wall also.  I've seen many homes with no barrier on the ceiling?