ROCKWOOL ComfortBatt R13 Fire Resistant Thermal Home Insulation. Whether you are building new or renovating your home， use ROCKWOOL ComfortBatt Thermal Home Insulation in your exterior walls， attic， ceiling and floor frames for top thermal performance. With its high density， non-directional fiber structure and unique flexible edge， ROCKWOOL ComfortBatt is designed to deliver a better fit providing heating and cooling energy savings.
2 in. x 4 in. exterior wood frame walls at 16 in. on center， attics and crawl spaces
Resistant to water， rot， mold， mildew and bacterial growth
Bag coverage: 59.7sq. ft.
Completely fills wall cavity to eliminate gaps and voids
Friction fit batts conform to normal variations in stud centers caused by distortion or warping
Flexible edge springs back， expanding the batt against the frame studs to provide a complete fill
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