I am the Managing director of London GRP Roofing ltd. We are based in southeast London and are specialists in GRP flat roofing and alike. We are trained in various GRP products ranging from overlay systems to encapsulate other flat roofing membranes such as felt and asphalt. We also have Products that can be laid directly to PIR insulation or direct to new OSB. we offer guarantees from 20-30 years for domestic and up to 40 years for commercial clients.