Cure It is a revolutionary GRP flat roofing waterproofing system provided by GRP Roofing Supplies Irl. Ltd. A Cure It roof is made with specially formulated roofing resin and topcoat. This has been designed for roofing applications by the UK’s leading GRP flat roofing materials manufacturer and is supplied with a 20 year materials guarantee. GRP Roofing Supplies will provide you with the best solution for your roof.