The Marinite I Calcium Silicate Board is a high-quality insulation board measuring 1″ thick and 48″ x 96″ in size designed specifically for high heat applications. It provides coverage of 32 square feet and weighs 122 pounds. Made in the United States, this product is designed for industrial and commercial use, offering superior insulation properties. Packaged on a pallet, minimum order is one sheet, it is a durable and reliable choice for various high heat applications.