D Type is a widely used, high-quality steam conductive and waterproof insulation material, which is widely used in construction sites. Designed specifically for use in roofing, facades and other construction structures. D Type Isospan, while the steam in the building passes abroad, prevents foreign moisture into the construction. This increases the longevity of the structure and prevents heat loss. D Type is a strong and elastic material that resists the hard weather conditions. This product also increases energy efficiency during construction and creates a comfortable domestic environment. The installation is simple and is easily applied in various construction sites.