Engineered Truss

Back to Glossary

Engineered Truss

What is Engineered Truss?

An engineered truss is a pre-designed structural framework that efficiently supports roofs or floors using interconnected members.

Description

An engineered truss is a prefabricated structural assembly designed by engineers to support roof or floor loads using a network of interconnected members arranged in triangular configurations. Trusses distribute loads efficiently, allowing for long spans with minimal material.

In construction, engineered trusses are commonly used in residential, commercial, and industrial buildings for roof and floor systems. They are typically manufactured off-site from wood or metal and delivered ready for installation, which improves accuracy and speeds up construction timelines. Each truss is designed for specific loads, spans, and building conditions.

From a code and performance standpoint, engineered trusses must be installed exactly as designed. Cutting, drilling, or modifying trusses without engineering approval can compromise structural integrity. Proper handling, bracing, and installation are essential to meet building codes and ensure long-term safety and performance.

FAQs

  • What is an engineered truss?

    It is a pre-designed structural framework used to support roofs or floors efficiently.

  • Where are engineered trusses commonly used?

    They are commonly used in roof and floor framing for residential and commercial buildings.

  • What materials are engineered trusses made from?

    Most are made from wood components with metal connector plates, though steel trusses are also used.

  • Can engineered trusses be modified on site?

    No, modifications typically require approval from the truss engineer.

  • Are engineered trusses required by building code?

    They are not required, but when used, they must meet engineered design and code requirements.

Fun Fact

Because trusses are engineered to precise loads, two trusses in the same building may look identical but have completely different internal design capacities.

CSI Code

06 17 00

NAHB Code

610