1/2″ X 24″ foil back insulation BY THE FOOT $9.10 Add to cart Out of Stock 1/2″ Thick 16″ x 24″ Ceramic Wool Blanket $18.00 Read more Fireplace Surround Insulation Self Adhesive Fiberglass $13.99 Add to cart 1″ Thick 16″ x 24″ Ceramic Wool Blanket $34.00 Add to cart