High Density Closed Cell Foam
sprayed on exterior sheathing.
Cellulose insulation being
installed over High Density Foam.  
Cellulose insulation being
installed over High Density Foam.  
Notice that along with the high density
foam and cellulose insulation, all other
potential air infiltration areas are caulked
and sealed.
Insulation Pictures
Foam being applied to the rafters.  Used when
building a non vented attic system.
Open Cell Foam being applied to rafters in
a non vented attic system.
Open Cell Foam in Non Vented Attic
Application
Cellulose Wall Spary