Tie In Roof Truss

A raised tie roof truss is a truss where the bottom chord making up the triangle shape moves towards the top of the triangle.

Tie in roof truss.

Unlike other trusses which support on the ceiling tie the bottom chord raised tie trusses are supported partway up the lower end of the rafters. It is because the bottom chord of a roof truss is in tension that the truss member can be as small as a 2x4. In a nutshell it s made up of a central vertical post called the king post two rafters meeting at the apex and a tie beam or the horizontal base. Trusses consist of two lengths of lumber that create the upper edge of the truss a bottom chord that connects the two opposite ends of the top chord and a series of supporting webwork in the middle.

Strip the roofing from the old roof at the connection point to. The top members of a truss are known generically as the top chord bottom members as the bottom chord and the interior members as webs in historic carpentry the top chords are often called rafters and the bottom chord is often referred to as a tie beam there are two main types of timber roof trusses. The king post roof truss is the simplest of the trusses because of its simple composition. The bottom chord of these roof trusses is serving as a tension tie.

However unlike rafters trusses are pre assembled before being installed. It is in tension and is holding the top chords of the truss against spreading.