Duncan Winter is the UK Commercial Director for SIG Roofing, the largest roofing merchant in the UK. Being in the the UK roofing sector for over 20 years, Duncan has built a strong foundation in the roofing sector from working in contracting, product training to managerial roles. At SIG Roofing, Duncan now leads commercial activity across all roofing solutions, using his extensive product and market expertise.

Known for his strategic approach to product lines and distribution channels, Duncan is a seasoned leader driving SIG’s commercial growth in roofing building materials. He also sits on the NFRC Roofing Suppliers Group with the aim to support the industry with supply chain communication as well as supporting the industry with new challenges around meeting net zero and digitisation, as well as building and product safety.