Thermafiber® RainBarrier® Semi-Rigid Insulation Portfolio

Thermafiber RainBarrier
Thermafiber® RainBarrier® 45 and HD mineral wool insulation are designed to fit between cladding attachment elements, such as masonry ties, girts, and clip & rail systems. These products form around most attachment elements without the need for cutting or notching.
Thermafiber® RainBarrier® 45
Thermafiber® RainBarrier® HD


  • Exterior Continuous Insulation
  • Concrete Masonry Unit


  • Fire Resistance
  • Energy Conservation
  • Thermal Comfort
  • Moisture Management