tie-beam

A carpenter secures the tie-beam across the top of the wooden frame.

Definition

1. Noun:
   • A horizontal beam in a roof: "tie-beam" refers to a horizontal structural beam that connects the lower ends of two opposite rafters in a roof, typically in a truss, to prevent them from spreading apart.

Usage Examples

• Noun:
  • The carpenter installed a sturdy tie-beam to keep the roof rafters from separating. (A horizontal beam used in roof construction.)
  • In traditional timber framing, the tie-beam is essential for maintaining the structural integrity of the roof. (A key component in roof trusses.)

Advanced Usage

• "Tie-beam roof": a roof construction that incorporates a tie-beam as a central element.

  • The old barn had a classic tie-beam roof, with exposed beams adding to its rustic charm. (A roof design where the tie-beam is visible.)

• "Tie-beam truss": a structural framework that includes a tie-beam.

  • The architect specified a tie-beam truss for the cathedral's nave to support the heavy stone roof. (A truss system relying on a tie-beam.)

Variants and Related Words

• Beam (n): a long, sturdy piece of wood or metal used in construction.

  • The main beam of the building was made of oak. (A general term for a structural support.)

• Roof truss (n): a framework of beams that supports a roof.

  • The roof truss included several tie-beams for stability. (A structure that often contains tie-beams.)

Synonyms

• Collar beam: a horizontal beam connecting rafters higher up, but distinct from a tie-beam which is at the bottom.
• Ceiling joist: a horizontal beam that supports a ceiling, though not necessarily part of a roof truss.

Related Idioms