King Post Truss Plans

Timber Frame King Post Truss Plans

Don’t want your entire home to be timber framed but want to accentuate it with some beautiful trusses? Take a look at these king post truss plans, available in several different sizes and roof pitches. The King Post is one of the simplest trusses – it consists of two diagonal members called struts, one horizontal beam that ties the bottom end of the two rafters together, and the vertical king post, which connects the peak to the horizontal beam below.

Ready for instant download, the package of 11 pages contains PDF drawings, materials lists, and renderings, making this a fantastic project for any DIY craftsman who wants to learn about timber frame construction techniques from the ground up. The trusses can rest on conventionally framed walls or be incorporated with timbered posts.

The width of the plan is measured from the outside edge of the rafter to the outside edge of the rafter.


Important Information:

Timber Frame HQ provides plans for construction purposes but does not oversee the construction. The plan purchaser is responsible for assuring the plan meets local codes and regulations. It is the responsibility of the plan purchaser to obtain any and all structural analysis, engineering and specifications that may be required in the municipality in which it is to be built. Plan purchaser is to verify all lot conditions and measurements before construction. Purchaser is responsible for additional expenses incurred in order to meet local code and engineering requirements.

Customer understands that the following conditions in your specific area may require additional engineering:

  1. Wind / hurricane / tornado
  2. Seismic / earthquake
  3. Heavy snow
  4. Flood potential
  5. Soil instability
  6. Timber Frame Engineering

Customer understands that HVAC, Plumbing & Electrical will not be included in all plans.

When you purchase a set of plans, you are purchasing a limited copyright license for a design giving you the right to build that structure one time at your location. Your copyright license was granted when you paid the purchase fee. You do not have the right to build the design a second time unless you have a signed agreement with Timber Frame HQ. Please note that copyright law protects “derivative works” the same as it protects the original design. That means that making some changes doesn’t make it a new design. We do not allow modifications of our designs by others, without permission. Your copyright license does not allow another professional to represent our design work as their own.

Timber Frame HQ retains all common law, statutory and other reserved rights, including the copyright. This applies even when you have participated in the development of the design to a significant degree.

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11 thoughts on “King Post Truss Plans”

  1. Planning an entrance to a garage. The truss will be on posts 15 Feet apart (outside).

    Roof will be a 9/12 or 8/12

    Will your plan be useful

  2. I would like to purchase a king post plan.
    • 12/12 pitch
    • all cords 6”x8”
    • Out to out on 5-1/2” bearing to be 16’
    • clear span 15’-1”
    • 8’OC truss spacing
    • Ridge board with common rafters.
    • 3×8 rafters are 32” OC
    • v-groove roof deck with 8-1/4” SIP


  3. I’m in the Vernon BC Canada. We are covering our deck it will be 16′ wide 18′ long supported by the house on one end and posts and truss at the 8′ mark and a the end at the 16′ with 2′ over hang on 3 sides. Would this be something you would be able to help me with planning?? The fist 8v would be full roof and the last would be just purlans

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