As members of one of the most stringent roofing standards organisations, the National Federation of Roofing Contractors, and a Trust Mark registered company, we have an enviable reputation for efficient service and quality approach. Where necessary, work is fully backed by insurance guarantees.www.greenhillroofing.co.uk81 Wakefield Road, Garforth, LS25 1AR

In 1982, Peter Burton opened his first yard at Stepney Lane, Hull. Today, Burton Roofing Merchants is the UK's leading independent roofing merchant supplying concrete and clay tiles, slates, lead, ventilation, insulation and reclaimed roofing materials. The Company has been serving the industry for over 25 years. With five depots, a minimum of 3m worth of stocks and over 100 members of staff, it always aims to meet your needs.www.burtonroofing.co.ukRoyds Cl, LS12 6LL

We are the North's leading supplier of ALL Roofing Materials with over 70 years experience in the ROOFING TRADE Whether your requirements are large or small, trade or DIY, we have the expertise and means to service your every need.www.kestevens.co.ukCross Green Ind Est/Knowsthorpe La, LS9 0PF

M T R Contractors Ltd offer a comprehensive range of roofing services including, slating, tiling, leadwork and flat roofing . Our expertise and skill embrace the technical knowledge, experience and administrative capacity to undertake roofing works from smaller projects to large public contracts with with extremely diverse requirements.www.mtrcontractors.co.ukUnit 30/Penraevon St Penraevon Industrial Estate, LS7 2AW

For the highest quality flat roofing at competitive prices across Leeds and the UK; look no further than Alast Flat Roof Company Ltd. Specialising in the incredibly effective Topseal GRP glass fibre flat roofing system we work for private individuals and commercial businesses on flat roofs of all shapes and sizes.www.alast.co.uk381 Harrogate Rd, LS17 6DW

BUR flat roof is "Built-Up" using a number of technologically advanced individual membranes or plys, the most important of which is the waterproofing membrane. The new generation of BUR waterproof membranes are based on inorganic materials such as polyester and glass fibre which use compounds such as APPwww.marcherroofing.co.uk77 Bath Rd, LS11 9UA