Flat Roof Association

The national federation of roofing contractors limited nfrc is the uk s largest roofing trade association representing over 70 of the roofing industry.
Flat roof association. Flat roofs or low slope roofs are also commonly found on commercial buildings throughout the world. The confederation of roofing contractors crc the crc is a trade association promoting high quality skills and working practices. By using an nfrc registered contractor you have the comfort of guaranteed protection and quality. While there are examples of very early flat roofs most of the earliest roofs constructed by man were thatched roofs that were made of straw leaves branches or reeds.
The flat roof is a fairly recent invention in construction only having come into mainstream use in the early 20th century. They were usually set at a slope or pitch so that rainfall could drain off them. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. The national roofing contractors association defines a low slope roof as having a slope of 3 in 12 or less.
Foreword this handbook of accepted roofing knowledge is de signed to provide designers specifiers owners consul tants and roofing contractors with information pertinent. 020 7448 3858 fax. Roofing house 31 worship street london ec2a 2dx tel. 020 7448 3195 email.
Spra is the voice of the single ply roofing industry. The roofing alliance was established in 1996 to create an endowment fund to serve as a resource for the roofing industry and its customers. Learn more professional roofing. National roofing contractors association 8600 bryn mawr avenue chicago illinois 60631 312 693 0700 january 1983 revised januaty 1985.