Thermafiber® INSUL-FILL® blown-in attic mineral wool insulation is a premium loose-fill product, specifically designed for blown applications in new and existing structures. It can be used as the primary building insulation or as additional insulation in walls and ceilings of existing structures. This loosefill product can be used to fill areas between cross bracing, truss bracing, and other uneven spaces that are difficult to insulate with traditional insulation batts. Thermafiber® INSUL-FILL® blown-in attic wool products are noncombustible, moisture-resistant, and mildew-resistant.
Have a question on anything insulation, pricing, or want to place an order? With hundreds of products and countless services, our experts will help walk you through the process of getting ready for your next project. Get in contact with our team today for help and guidance on the right products and best techniques for you and your business.