The 1000mm X 20m IKO Trade Medium Underlay Sand Surfaced is a superior quality roofing underlay designed for optimum performance and durability. Manufactured by IKO, a leading name in the building supplies industry, this product provides an excellent layer of protection against the elements. Its sand surfaced finish aids in providing additional grip during installation. Ideal for various types of roofing applications, the medium underlay ensures superior waterproofing and weather resistance, enhancing the lifespan of your roof.