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Hammer Beam Truss

Cathedral Arch

Main House - A beautiful hammer beam truss that is buttressed by conventional framing (not seen).

What is a Hammer Beam Truss?

A Hammer Beam Truss is a cathedral roof truss with an open center. A true hammer beam truss like the one shown here relies on exterior buttresses, reminiscent of the flying buttresses of Notre Dame Cathedral, to hold it in place and keep the roof planes from spreading apart. Modified hammer beam trusses can use a lower tie beam or steel rods to resolve the spreading forces.

A favorite truss is a Traditional Hammer Beam Roof Truss. Its design comes from the old style cathedrals in Europe and the United States. It is beautiful with its graceful center arch, but like the cathedrals, it needs to be buttressed on the outside or by other parts of the building.

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EXAMPLES OF HAMMER BEAM TRUSSES

True Hammer Beam Truss Design

3D Model of a Hammer Beam Truss

Interior of Immaculate Conception Church with Timber Trusses and Steel tie rods

Hammer Beam Trusses with Steel Tension Ties

Trusses in Christ Episcopal Church

Hammer Beam Trusses

More Trusses
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