ROCKWOOL COMFORTBATT is a semi-rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. It features a unique flexible edge designed to compress as the batt is inserted then spring back, expanding the batt against the frame studs to give a complete fill. This flexibility ensures the expected R-value is achieved and maintained. Non-combustible and fire-resistant, COMFORTBATT will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It is also offers water and moisture resistance and excellent sound absorbency. COMFORTBATT is an effective way to improve a home’s energy efficiency. It is GREENGUARD Gold Certified and contributes to a healthier indoor environment.

16″  O.C. for 2×4 Wood Studs (59.7 Sq. Ft.)

• Fire-resistant due to its high melting temperature of 11770C (21500F)
• Excellent sound absorbency
• Water and moisture resistant; does not absorb moisture to maintain insulating value
• Easily cut
• Does not rot or promote growth of fungi or mildew
• Covers: 59.7ft2 (5.55 m2), Thickness: 3 1/2 (89 mm), Width: 15 < ” (387 mm), Length: 47 (1194 mm), 12 pieces per package

24″ O.C. for 2×4 Wood Studs (60.1 Sq. Ft.)

• Fire resistant due to its high melting temperature of 11770C (21500F)
• Excellent sound absorbency
• Water and moisture resistant; does not absorb moisture to maintain insulating value
• Easily cut
• Does not rot or promote growth of fungi or mildew
• Covers: 60.1ft2 (5.58m2), Thickness: 3 1/2 (89 mm), Width: 23 ” (584 mm), Length: 47 (1194 mm), 8 pieces per package