What is the difference between a girder and a truss?

As nouns the difference between girder and truss is that girder is a beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure while truss is a bandage and belt used to hold a hernia in place.

What is a saddle truss?

Saddle trusses or valley trusses, are an integral part of the trusses roof. They are generally used in a situation where one roof structure is to continue its roof line over another trussed area. When designing, the main criteria usually revolves around the spacing of the supporting trusses.

What are truss plies?

Girders are trusses specially designed to carry extra loads that are a result of the structural framing members they support. The maximum number of plies is five for girders that are supporting the extra load from only one side. If the loads are tying into both sides, the maximum number of plies is six.

What are girders and joists?

A joist and a girder are both types of beams. The term “beam” is a general, all-encompassing term that refers to a structural member in a structure that supports a roof or floor above it. A girder is the main load-bearing beam in a structure and is supported by posts. Joist is a structural member supported by beams.

What is the purpose of a girder truss?

Girder Truss: This is a truss that supports other trusses or beams. It may have a standard truss shape or a truncated truss shape, depending on where it is situated in the roof.

What are the types of trusses?

Trusses are usually made from straight wood members, though steel and aluminum trusses are certainly possible as well. The specific shape and structure of an attic truss can vary. The two most common types are king trusses and queen trusses. These two designs can be used independently or in conjunction with each other.

What is a gambrel truss?

A gambrel truss is a type of roof support. It is generally characterized by two slopes on either side of the peak.

What is an engineered roof truss?

Engineered Truss Systems specializes in manufacturing wood roof trusses, laminated veneer lumber (LVL) beams and headers, and wood floor trusses for residential, commercial and agricultural projects. Engineered Truss Systems uses only the highest quality materials, including Simpson hangers.

What is standard truss spacing?

Standard Is 24 inches. Trusses must be spaced precisely to accommodate roof sheathing and roofing materials. Sheathing or decking typically is oriented strand board (OSB), in 4-by-8-foot sheets. The standard spacing for trusses is 24 inches, which works exactly with the 4-by-8 format.