At Langan Stained glass we usually conserve stained glass, though we may use the term restoration to help people better understand what we do. This means that we always seek to retain the original stained glass and preserve it using a number of conservation techniques, documentation and reversibility being key. Our policy is to use minimal intervention other than giving the class a thorough clean using non destructive methods and releading which is usually necessary if it has been deemed that the glass needs to be removed for repair.