Rockwool Comfortbatt R15 insulation is your practical, no-nonsense solution for a more comfortable home year-round. Designed for homeowners and pros who value steady temperatures, energy savings, and straightforward installation.

DESCRIPTION & USES Rockwool COMFORTBATT Thermal Home Insulation keeps your home warm in the winter and cool in the summer for more comfortable living all year 'round. Installing also helps you save money year after year by reducing the cost of your heating and air conditioning and a house that uses less energy is a house that’s easier on the environment.

Key Features & Design

• R-Value: 15
• Material: Stonewool insulation (Rockwool) for durability and thermal performance
• Ease of installation: Easy to cut and install; friction-fit batts help prevent gaps that can result in energy loss
• Stonewool advantage: Its unique stonewool composition, density, and friction-fit batts help you or your contractor prevent any gaps that can result in energy loss.
• Sizes & Coverage:
  • 15.25" x 47" — 59.7 sq ft per pack; 12 batts per bag
  • 23" x 47" — 60.1 sq ft per pack; 8 batts per bag
  • 16.25" x 48" — 65 sq ft per pack; 12 batts per bag
  • 24.25" x 48" — 64.66 sq ft per pack; 8 batts per bag
• Where to Use: Attic and exterior walls are key starting points, but insulating exposed concrete basement walls and heated crawl spaces can significantly improve your home's energy efficiency.
• Delivery note: If you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary.

Ready to boost comfort and cut energy bills? Rockwool COMFORTBATT R15 is a practical, effective choice for new builds or upgrades. Easy to cut, easy to fit, and built to perform—without the drama.