Commercial and Domestic Roofing and uPVC services across Neath, Port Talbot, Swansea & South Wales. Gnoll Drive Roofing Contractors Neath are an established roofing contractor with 30 years of experience. We pride ourselves on providing a specialist and expert service, with good honest workmanship at realistic prices. We offer free estimates and free expert advice on any roofing project at anytime. All work is guaranteed with only the best materials used.