Bearing

Structural support of a truss, which is usually walls, hangers or posts, are the parts of a truss that support the load and allow the truss to transfer weight. Specify all exterior and interior points of bearing, showing location by dimensions, size, and elevation above ground or benchmarks. It is important to specify the type of bearing material to be used to properly design connections to the bearing. Required information could include grade of steel, grade of wood, strength of concrete, etc.

Bracing

Structural elements that are installed to provide restraint or support (or both) to other framing members so that the complete assembly forms a stable structure.

Cantilever

Is the part of a structural member that extends beyond the support. Cantilevered trusses are generally more efficient trusses that those with overhangs, and can simplify the installation of fascia and soffit materials. A cantilevered truss can also have a top chord overhang.

Chord

Are the horizontal components of the truss that carry the load. In a roof truss, the three sides of the triangle are called chords. The webs are pieces connecting the top and bottom chords. Chords and webs are the members or elements of the truss. The connectors joining chords and webs in modern trusses are usually metal-toothed plates.

Connection

Combination of structural elements and joints used to transmit forces between two or more members.

Heel

Is the part of the truss that connects with the bearing. The end of a truss is also known as the heel of a truss. All trusses have two heels, one at each end. The heel height of a truss is the distance from the top edge of the top chord to the bottom edge of the bottom chord at the heel.

Loading

Refers to the weight or force applied to the truss system. Force or other action that results from the weight of building materials, occupants and their possessions, environmental effects, differential movement, or restrained dimensional changes.

Overhang Types

Refers to the part of the roof that extends beyond the walls. The extension of the top chord or bottom chord of a truss beyond the support. The extension of the top or bottom chord of a truss beyond the bearing support.

All Types Plumb Level Plumb Parallel Square Level Square Parallel

Roof styles

A roof is part of the building envelope, it is the top covering structure of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. Include different configurations like gable, hip, and flat roofs.

Slope

It refers to the angle of the roof or truss which are constructed with that undergo specific design and stabilization measures to ensure stability. According to its degree of stability, it can be divided into: stable slope, basic stable slope, unstable slope and unstable slope.

Span

The spans are the distances between supports of the truss. It is the distance between two adjacent structural supports of a structural member. Span is measured in the horizontal direction either between the faces of the supports or between the centers of the bearing surfaces.

Truss

Is a prebuilt component that functions as a structural support member employing one or more triangles in its construction. A coplanar system of structural members joined together at their ends usually to construct a series of triangles that form a stable beam-like framework.

Truss styles

Include different configurations as seen in the image, depending or the building or style.

Web

It consists of the internal bracing members that join the top and bottom chords that provides support to form the triangular patterns that give truss action, usually carrying tension or compression stresses.