Check the listing for details. SmartSHIELD Pro 20mm Thick Foil Insulation Roll 48"x25ft R-23 Radiant Barrier. Condition: New. Listed at 189.95 USD. SmartSHIELD Pro 20mm Thick Foil Insulation Roll 48"x25ft - R-23 Radiant Barrier SmartSHIELD Pro 0.8" Thick Foil Insulation Roll: An advanced insulation solution designed for maximum efficiency and durability. This insulator reflects up to 95% of radiant energy, providing an almost perfect radiant barrier. High Thermal Performance: With an R-value of up to 23 with one layer and up to 29 with two layers, this product meets ASTM D-638 standards, ensuring superior insulation under various climate conditions. Exceptional Vapor Barrier: Effectively prevents condensation and is completely resistant to moisture, maintaining its integrity in humid environments. Its performance is certified to exceed all ASTM C1313 standards, including a Class A fire rating (E84 with E2599 assembly). Industrial and Commercial Grade Protection and Durability: Industrial and commercial grade, SmartSHIELD Pro insulation is robust against tears and punctures. Despite its toughness, it can be easily cut with simple tools like a utility knife. A patented transparent coating, meeting ASTM D3310, protects against corrosion, extending the material's lifespan. Cost-Efficient and Eco-Friendly: This insulation not only significantly reduces heating and cooling costs, paying for itself, but it is also non-toxic and safe for use in environments where health is a priority, without irritating skin, eyes, or throat and without causing allergies. Versatility of Application: Ideal for both residential and commercial settings, this insulation roll reflects heat on both sides, maximizing energy efficiency in any space. Guaranteed Return ''We are committed to your satisfaction with this product. If you are not completely satisfied, we offer a return policy to ensure your peace of mind with your purchase''