Welcome to Harviglass – Glass Reinforced Plastics (GRP) Harviglass specialises in the development and production of Glassfibre Reinforced Plastics (GRP) products. Our fibreglass mouldings are produced by hand-lay, resin-injection, spray lamination, resin transfer and vacuum pressing and they are supplied throughout the UK and Europe. Many of our glassfibre components form part of high quality British equipment exported worldwide. Our 36,000ft² factory in Hyde, Cheshire, produces GRP (fibreglass) mouldings for almost every industry, from construction to interior design, from medical equipment to automotive components. What makes Harviglass unique is our proactive response to customer’s needs. We get involved at the earliest stages of development, bringing innovative and cost effective ideas based nearly 50 years experience in GRP moulding. Working to international ISO 9001 (2008) quality standards and based on such a wide and long experience in fibreglass GRP moulding, we use the very latest CAD solid modelling, e-links and GRP moulding production techniques to satisfy and impress an ever-widening group of customers with innovative GRP Glassfibre moulded solutions. New techniques include polyurethane moulding.