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Comfortbatt R- 15.0 Attic Wall Unfaced Stone wool Batt Insulation 60.1-sq ft ( 23.0-in W x 47.0-in L)

ROCKWOOL Comfortbatt R- 15.0 Attic Wall Unfaced Stone wool Batt Insulation 60.1-sq ft ( 23.0-in W x 47.0-in L)

4.8
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Should I cut to 21.5” for a 21” stud space or should I compress the full 23” batt into the 21” space?


Rule of thumb is measure the physical space and then trim material 3/4" to 1"wider to provide the pressure fit. The material is already oversized for regular 16" or 24" oc dimensions

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