The F114 12 25 Grey Double Ply Black Poly R-4.2 from Mueller Streamline is a high-performance insulation product. Designed with a double ply construction, it offers superior thermal resistance with an R-value of 4.2. This insulation is made from durable black polyethylene, ensuring longevity and resistance to moisture. Ideal for various applications, including HVAC and plumbing, it provides excellent thermal efficiency. The 12 inch size allows for versatile installation in both residential and commercial settings.
