Canary Wharf is a major business district in east London, within the London Borough of Tower Hamlets. It is one of the United Kingdom's two main financial centres â along with the City of London â and contains many of Europe's tallest buildings, including the second-tallest in the UK, One Canada Square.[1][2]
Trusses and rafters are both assembled ahead of being installed onto the roof. Trusses are assembled in a factory using pre-engineered structures and joints. On the other hand, rafters are assembled at the construction site. As trusses are assembled in a factory, a lot of time can be saved.
Roof framing with a Ridge Board. A stick framed roof uses 2x4's or 2x6's or whatever you are framing with, but has a ridge board running down the middle ridge line. You then have rafters running down from this ridge board and resting on the top wall plates.