A Cornwall-based roofing specialist has carried out a tricky contract this week, which required the closure of one of the UK's busiest motorways. JR Flat Roofing, based in Redruth, secured a contract with a longstanding client, Moto Hospitality, the UK's biggest provider of motorway service areas. The company worked from scaffolding which was specially designed to sit on a truck, in order for it to be situated on the motorway lane. The footbridge over the busy M1 required some repairs and the contractor was