J G Black Polymers Ltd are the only company in the United Kingdom that can manufacture moulded valve boxes that reduce heat loss and heat gain on cooling systems, heating and chilled services. Our team produce insulation that is simple to fit and maintain using the most efficient material available. This efficiency results in instant fuel saving and reducing CO2. Because we have more than 2 decades worth of experience in the industry we have a large range of insulation solutions, including Victaulic jointing systems and glass fibre cladding system using Fibaroll material. We manufacture cap ends, bends, elbows and tees to complement the Fibaroll pipework insulation cladding system.