Service Description Fiberglass Lining, GRP Linings, is the use of saturating glass fiber mats in unsaturated polyester resin to form a composite coating. This material is versatile making them ideal for variety of surfaces, and, since the material is also durable, it can be used in coating metals, concrete, and glass fiber (GRP) surfaces. Its functional properties make it ideal to be used for potable water and chemical storages. The coating can last for a longtime making it a cost-effective and worthwhile investment. On top of this, GRP Linings need little to no maintenance, can withstand heavy and repeated power washing while providing you the best waterproofing solutions. Lastly, it can adapt easily to extreme weather conditions as it has room to expand and contract.