2 Attic hatch 3 Wall between house and attic 4 Attic access door 5 Exterior wall 6 Floor above vented crawlspace or unheated garage 7 Foundation wall of unvented crawlspace 8 Sloped or cathedral ceiling 9 Portion of floor cantilevered beyond wall below 10 Foundation wall in conditioned basement 11 Floor of conditioned basement |
Excerpted from No-Regrets Remodeling by Home Energy (1997)