(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.

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 ...

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.

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 ...

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 ...