Tied Truss Arch Roof

A vaulted or sloped ceiling offered by a raised tie truss can add an aesthetic point of interest to a room.

Tied truss arch roof.

Unlike the conventional truss which is fully triangulated by virtue of its bottom chord fixing the top chords together the raised tie roof completes its triangulation at the flat ceiling to sloping ceiling intersection. The hammerbeam roof was the culmination of the development of the arch braced truss allowing greater spaces to be spanned. Go back to reading a building. It is an arch roof constructed with a top arch of heavy timber no webbing or bottom chord and a steel tie rod.

The raised tie roof truss imposes a horizontal load onto the wall plate and wall when loaded. An arch chord king post truss is another variation on the classic king post style this time with an arched lower chord. Directory and listing of tied arch roofs from around the world including images technical data literature and other project information. This design adds a curvilinear element into the ceiling space instead of the standard horizontal timber raising the structure somewhat and giving some extra volume below.

Raised tie trusses allow for excellent skylight placement as they are raised higher and angled better.