Foam Insulation R-3.5 1 in. x 4 ft. x 8 ft. (32 sq. ft.) Panel Insulation Sheathing

About This Product Therma Sheath Foam Insulation is a lightweight, high-performance insulation board designed to improve the energy efficiency of residential and commercial buildings. Made from polyisocyanurate foam, it provides one of the highest thermal resistance values per inch of thickness, making it an excellent choice for exterior wall sheathing applications. Easy to handle, cut, and install, this insulation board helps reduce heat transfer while contributing to long-term energy savings. Its durable construction makes it suitable for a variety of exterior projects where dependable thermal performance is required. Key Features Designed for exterior sheathing applications High thermal performance with excellent R-value per inch Lightweight and easy to handle during installation Cuts easily to fit a variety of project requirements Made from durable polyisocyanurate foam Helps improve building energy efficiency ENERGY STAR® qualified for energy savings