This 576 SQ FT Black Rubber Insulation Sheet from Jones Stephens Corp measures 3 FT x 4 FT and is 1/8 inch thick, making it ideal for a variety of insulation applications. The sheet is designed to provide excellent thermal insulation and sound dampening, suitable for both residential and commercial use. Its durable rubber construction ensures longevity and resistance to wear. The self-adhesive backing allows for easy installation on pipes, ducts, and other surfaces. This insulation sheet is compliant with industry standards, making it a reliable choice for energy efficiency.