Slab perimeter edge
R-5 Rigid foam
R-11 Perforated FS-25
Masonry walls
R-13 Kraft-Faced
All 2x4 exterior walls Behind fiberglass tubs and showers Garage common walls Ring and end Joist Under heating branch duds in garages with 2x8 floor system Finished basement stud walls
R-13 Unfaced w/FS 25
2x4 exterior stud walls in unfinished basement
R-19 Unfaced w/FS 25
2x6 exterior walls at unfinished basements
R-30 Unfaced
Cathedral ceilings with soffit venting
on top of fireplace fire stops
tray ceilings
R-38 Kraft faced loose fill fiberglass
Flat ceilings in attic areas
R-38 Kraft-Faced
Garage ceilings below living area w/ 11 7/8 I joist floor systems