Grp Fibreglass Roofing Services Cork Why choose fibreglass roofing from Murphy Builders Cork? Fibreglass roofing systems or (GRP) Glass reinforced plastic is a very tough and hardwearing product, ideal for flat roofs, valleys, balconies, shower areas or wet rooms. Grp Fibreglass has been used in the building and roofing industry since 1938 and laboratory analysis … Continue reading Fibreglass Roofing Services