CSS Online is a New Zealand-based company operating in the home improvement and building materials industry. The company specializes in supplying a range of building products, focusing primarily on roofing, cladding, and related exterior solutions. Its services cater to contractors, builders, and homeowners engaged in construction or renovation projects. CSS Online provides access to materials intended to support residential and commercial building needs throughout New Zealand. The company operates through an online platform, facilitating product selection and ordering for its customer base.