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Roof trusses

Cambered truss

A cambered truss has a bottom chord that is slightly raised in the middle, giving a little extra ceiling height and a gently sloped ceiling.

Also known as cambered truss, cambered bottom chord, cambered roof truss

The bottom chord is built with a shallow upward slope or camber from each heel to the centre. The effect is between a standard truss and a scissor truss: the ceiling gains height without a fully vaulted room.

Cambered trusses are listed as a type of their own by many manufacturers, especially in North America.

Related terms
Scissor trussA scissor truss has a sloping bottom chord, so the ceiling underneath can follow the roof and form a vaulted room. Raised tie trussA raised tie truss has its bottom chord set higher than the wall plates, giving a higher ceiling or more headroom in the room below. Bottom chordThe bottom chord is the lower member of a truss that ties the two ends together and usually carries the ceiling.
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