ROCKWOOL Comfortbatt is a semi-rigid stone wool thermal batt insulation for exterior wood and steel stud applications. It features a unique flexible edge that allows for easy installation and helps prevent over compression to maintain its R-value. Non-combustible and fire resistant, Comfortbatt will not develop toxic smoke or promote flame spread, even when exposed directly to a fire. It 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.

• Excellent thermal performance providing a high R-value per in
• Non-combustible and fire resistant, stone wool works to contain a fire and prevent its spread
• 5-1/2 in. x 15-1/4 in. batt sizing is designed for 2x6 wood framed construction spaced 16 in. on center
• Comfortbatt applications include: exterior walls between studs, basement walls, crawlspaces, attics and cathedral ceilings and exposed floors
• Stone wool provides excellent noise reduction and sound absorption to help you create quieter, more productive environments
• Water resistant, stone wool does not rot or promote the growth of mildew, fungi or mold
• Lightweight and easy to install, cut using a serrated knife and compression fit into place
• Friction fit batts conform to normal variations in stud centers caused by distortion or warping
• Greenguard gold certified for indoor air quality
• Click here to learn more about Eco Options and Energy Efficiency
• Buying guide and insulation calculator:
  

R-23 Comfortbatt 5-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (39.8 sqft)