That’s why more contractors, developers, and homeowners turn to Cotterill Civils for their gas ducting needs. Gas ducting is a protective conduit designed to house underground gas pipes. Why Gas Ducting Is ImportantSafety First Gas services must be installed with the highest safety standards. Comprehensive Range From standard coils to twin-wall ducting and fittings, Cotterill Civils stocks a complete selection of gas ducting solutions. For projects of every size, from housing developments to large-scale infrastructure, buying gas ducting from Cotterill Civils means safety, compliance, and long-term reliability.