4 ms·
Exterior foam or rock wool makes it fairly easy. Also see Zip sheathing which laminates polyiso to OSB. Double stud construction with blown in cellulose has a
by turtlebits 4y ago
Exterior foam or rock wool makes it fairly easy. Also see Zip sheathing which laminates polyiso to OSB.
Double stud construction with blown in cellulose has also been around a long time. (You can get R45 with a 12” wall)