Sunjoy Technology Blog

  In the realm of building construction and energy - efficient design, rock wool roof insulation has gained significant prominence. 1. Thermal Insulation Properties Rock wool is an excellent insulator when it comes to roofing applications. Its unique structure consists of fine fibers that trap air. Air, being a poor conductor of heat, significantly reduces the rate of heat transfer. In summer, the hot air outside the building is prevented from infiltrating the interior, keeping the inside cool. During winter, the warm air inside the building is retained, reducing the need for excessive heating. This not only enhances the comfort of the occupants but also results in substantial energy savings. Studies have shown that buildings with proper rock wool roof insulation can reduce their heating and cooling costs by a considerable margin. 2. Fire Resistance One of the most crucial aspects of rock wool roof insulation is its fire - resistant nature. Rock wool is non - combustible, which me...

  Welcome to Sunjoy Technology   Co., Ltd.! Founded in 2003, we specialize in the research, development, production, and sales of thermal-insulation materials . Our two production bases are located in the Baodi Economic Development Zone, Tianjin, and the Langfang Economic Zone, Hebei Province. With over 1,000 employees—including more than 200 R&D staff—we operate 15 fully automated production lines and achieve a $10 million annual output value. Our main products include high-quality rock wool , glass wool , ceramic fiber,   etc.