(In the South, a roof may be designed only to resist a wind load.) In older brick-and-joist buildings, the flat roofs could often support the same load as the floors below. This result was ...

Flat roof replacements can cost anywhere from $3,000 ... Cold: Cold roofs have insulation below the roof deck, inside the joists or rafters. The space above the insulation is ventilated.

They’re a variation on common roof trusses — the wood structures at ... This bridge is designed just like a floor truss, with a flat top and bottom chord and lots of triangles in between.

These are battens which are cut at an angle before being fixed on to the roof joists. Are flat roof extensions a cheaper way of adding space? Flat roof extensions are usually considered one of the ...

We are designing a pitched roof for our 1950s-era home that has an almost-flat torch-down roof ... The initial design calls for roof trusses to basically rest on the top of the existing exterior ...

Once the bundle or bundles of trusses are placed flat on the roof, cut the bands to separate them. Building a temporary catwalk along the center of the ceiling makes it safer to handle and move ...

John Salka explains construction, access and other issues associated with flat-roof operations ... Once it is determined that the roof is constructed of wooden joists and is not heavily involved ...

Those frames support flat roofs built before 1990. They typically span large open, areas, such as over warehouses. Beams in the framework, or trusses, are connected with metal gang plates that are ...