DuPont specializes in construction materials, particularly foam insulation products that improve building performance and energy efficiency. Their foam insulation effectively seals gaps and cracks in various materials, helping to lower energy bills and prevent dust and mold. The company serves a diverse clientele, including contractors, builders, and DIY enthusiasts, primarily in the U.S. but with a global reach through various retail channels. DuPont's flagship product offers a weathertight seal and is designed for easy application around windows and doors. Unlike many competitors, DuPont emphasizes consumer education and safety, providing resources like safety instructions and material safety data sheets. Their goal is to enhance building performance while ensuring safe and effective use of their products.