Timber Frame Vs. Post and Beam: What’s the Difference

Close view of joinery on a Grand Teton Timber Frame Pavilion

While often used interchangeably, timber frame construction and post and beam construction are two distinct building methods. Both rely on large exposed wood beams, both are visually striking, and both deliver strong, long-lasting structures—but the differences lie in the details of how those beams are joined and how the structure carries its weight.

So, let’s dive into the question of the day: What is timber frame construction, and how does it differ from post and beam framing?

What is Post and Beam Construction? 

Post and beam construction is a modern construction method that uses heavy timber posts and beams that are fastened together using metal connectors such as bolts, plates, and steel gussets. These fasteners are usually left visible for an industrial-style look or concealed for a cleaner look.

Post and Beam construction creates the traditional appearance of timber framing with modern convenience. The joint connections are pre-fabricated and straightforward, often requiring less labor-intensive joinery, which can lead to quicker builds and more budget-friendly options.

What is Timber Frame Construction? 

Timber frame construction dates back centuries and is known for its traditional joinery techniques—specifically, mortise and tenon joints secured with wooden pegs. This method relies on the precision fit of interlocking wood components rather than solely metal fasteners.

Craftsmanship is central to timber framing. Whether cut by hand or with a CNC machine, each joint is engineered for strength and beauty, allowing for self-supporting frames that become architectural features in their own right.

Timber Frame Pavilion for events in distance

Timber Frame vs Post and Beam: Key Differences

Timber framing and post and beam construction are very similar. Both use heavy timbers to create the frame of a structure. This frame, for both methods, is load-bearing and commonly left exposed for aesthetic values. Additionally, both construction methods are considered sustainable construction. Air drying timbers and the use of natural materials reduce environmental impact in both cases.  

Finally, both methods are strong and durable, but how they achieve that strength—and the aesthetic they create—differs. 


Structural Differences Between Timber Framing vs Post & Beam

FeatureTimber FramingPost and Beam
JoineryMortise & tenon, wood pegsBolts, metal plates, screws
CraftsmanshipPrecision handwork or CNC joineryMetal joints allow for modern assembly and faster build
FastenersAll wood, no metalExposed or hidden steel
Look & FeelHistoric, artisanal, seamless, classicModern-rustic with industrial edge
Flexibility in DesignHighly customizableSlightly more modular
Load DistributionThrough carefully fitted joineryThrough mechanical fasteners

Curious how timber framing compares to traditional stick-built construction?

Kingston Timber Frame Pavilion in Georgia

Cost Difference: Timber Framing vs Post & Beam 

In general, post and beam construction tends to be more cost-effective than timber framing due to much simpler joinery, shorter build times, and less specialized labor. 

Timber framing, on the other hand, involves a higher investment in craftsmanship and materials. You’re paying for artistry, structural integrity, and the timeless beauty that handcrafted joinery provides.

Aesthetic and Functional Differences 

While both styles showcase exposed beams and natural wood grain, each construction type has its own unique look and purpose.

  • Timber Framing: Clean, elegant joints. The craftsmanship becomes a centerpiece. Perfect for high-end homes, pavilions, and cathedrals.
  • Post and Beam: More adaptable to modern-rustic styles. The use of metal can create a bolder, industrial look while still offering warmth and charm.

Functionally, both styles support open-concept layouts and vaulted ceilings. Timber frames allow more freedom for complex truss designs like the king post or hammer beam, giving designers greater architectural flexibility.

Strength, Durability, & Load-Bearing Considerations

Both systems are impressively strong and engineered to last—but they work in different ways:

Timber Framing transfers structural loads through precision-fitted joinery, making the frame inherently rigid and stable.

Post and beam relies on metal hardware to support loads. While still durable, metal connectors may allow slight movement over time, especially in climates with dramatic seasonal shifts.

When properly maintained, timber frames can last centuries—a testament to their tight joinery and natural material resilience.

Timber Frame Pavilion across from pool

Which One Is Right For You: Timber Frame Construction vs Post and Beam

Here’s how to decide which method is the better fit:

Want something faster to build, easier on the budget, and still visually impactful? Go with post and beam.

Want a statement piece? Something rich in character, architecturally flexible, and built to last generations? Timber framing is your move.

Both methods are beautiful, strong, and time-tested—just suited to different needs and values.

Want to explore your options? Check out our full line of timber frame structures, or contact us to get a custom quote for your next project.