Collar tie
A horizontal member that connects two rafters on opposite sides of a roof, reducing their tendency to spread apart.
A collar tie is a horizontal tension member connecting two opposite rafters, preventing roof spread and enhancing stability. It is crucial for optimizing structural performance, enhancing durability, and supporting roof construction. By providing a reliable and effective tension solution, collar ties support efficient roof construction, improve structural integrity, and contribute to successful project delivery by ensuring that roofs are well-supported, aligned with design specifications, and capable of withstanding applied loads and environmental conditions.
Used in a sentence
Collar ties were used to reinforce the roof structure against wind loads.
Synonyms/variation
Collar Beam
Stay updated on what’s happening in construction.
Subscribe to Blueprint, Procore’s free construction newsletter, to get content from industry experts delivered straight to your inbox.
Learn MoreLearn more about Collar tie

A Guide to Construction Engineering Management
Construction engineering managers combine two key skill sets into a single role: They blend the technical expertise needed to build safe, feasible structures with the organizational skills required to get the work done. This article covers the role of the construction engineering manager — including typical projects, key responsibilities and common career paths. What is […]

Listening Comes First With Landmark Structures CIO Adam Billmeier
At Landmark Structures, Chief Information Officer Adam Billmeier builds his team around the philosophy that they are not “the Department of ‘No.’” Adam has adopted a “listening comes first” mindset to leadership, putting the experiences of field crews at the forefront when adopting and elevating new technology. “At the end of the day, we are […]

Learning to Change: Overcoming Blockers for Construction Transformation
Even as technology brings change in waves like a tsunami, the construction industry tends to cling to old habits — to the detriment of its projects and the personal growth of its people. Resisting change is a natural human impulse, but those who see it as an opportunity to learn are those who thrive and […]

The Construction Workforce Gap and the Missing Link
The construction industry is facing a significant numbers challenge: around 649,300 annual job openings over the next decade, with 41% of workers 45 or older. That combination is intensifying the urgency for new, skilled talent. Efforts are already underway to address these issues through traditional means like career days and outreach campaigns, many of which […]
How can we improve this glossary entry?
By clicking this button, you agree to our Privacy Notice and Terms of Service.