Owens Corning R19K 23 ft. x 39 ft. Roll 75 sq. ft. Insulation a reliable solution for enhancing your home's energy efficiency. This insulation roll is designed to provide excellent thermal performance, helping to maintain comfortable indoor temperatures while reducing heating and cooling costs. Its generous size covers 75 square feet, making it suitable for various residential and commercial applications. Easy to install and durable, this insulation roll helps create a more energy-efficient and comfortable living environment.