![](http://www.alamy.com/thumbs/6/44F696F0-5BE0-449A-9767-FE6712B3B65D/J3JYF5.jpg)
an flat roof with roofing and Safety line
Size: 5616px × 3744px
Photo credit: © Marcel Derweduwen / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: asphalt, bitumen, building, city, clouds, coating, construction, covering, detail, drainage, felt, fencing, flat, house, industrial, industry, installation, insulation, line, material, protection, rain, roll, roof, roofing, safety, site, tar, technology, top, torch, waterproofing