Many renovated buildings replace wood and masonry structural elements with steel. The replacement of heavy wooden roof and floor joists with the lighter steel open-web bar-truss joists is a common ...

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Trusses are a fundamental tool in an engineer’s toolbox — a structurally simple way to transfer weight from one part of a roof to the walls or columns that are designed to withstand the effects of ...

Dear Jason: Look for a new contractor. Special designs of roof trusses are available, some not priced much higher than standard trusses, specifically designed for attic storage areas or full rooms.