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28×20 Timber Frame Saltbox

28x20 Saltbox Timber Frame Plan

This 28×20 timber frame saltbox is designed with common trusses and collar ties, which makes the cutting and raising a bit easier for a good-size frame. The saltbox style creates a ceiling on one side that soars to 19’-6” if you leave the collar ties exposed, creating a wonderful high-volume space. The plan is designed with a loft over the other half of the floor space, creating an area you can use for a bedroom, office, or any number of uses.

The saltbox style of house is a strong and simple one that has been seen in this country since the 1650’s. It’s a design with two stories in front and one in back. The roof pitch is short and high in front and long and low in back, creating a two story structure on one side.

This 28×20 timber frame saltbox has 560 square feet on the ground floor and 280 square feet on the second floor, which gives you a total of 840 square feet of versatile space. Use this for a barn with hay loft, or a cabin in the woods, or a garage with workshop loft!

The drawings include fully dimensioned plans, elevations and sections, as well as detailed cut drawings of every timber in the structure. There are also three-dimensional renderings to help you visualize the finished product. The plan set consists of 35 pages of thoroughly detailed drawings, including a timber list and fastener schedule (and you can purchase the fasteners right here at Timber Frame HQ! And for your convenience, the plans are formatted to 8 ½”x 11”, ready for instant download and printing from your home or neighborhood copy shop.

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.
Purchaser agrees that the use of the plan is for the construction of one house or frame only*, and that the plan or any part of it will not be reproduced by any means without the written consent of the copyright owner.

20 thoughts on “28×20 Timber Frame Saltbox”

  1. This website is a great resource! Glad I discovered it. Can you tell me the pitch of the saltbox plan, or if it is variable?


    –Bruce Gordon

  2. Hi Brice,

    I’m looking for a cabin plan and am comparing this with your 20×24 Queen Post Plan with Loft.
    Can you please give a rough estimate of differences in build cost and ease of building?
    I’m in Australia – have you had any experience using the eucalyptus timbers?
    Great website!


    1. I have no experience with the building cost in Australia or eucalyptus timbers. There is an article in the Timber Framing Journal Number 74 about a gentleman Rob Hadden that was building his own timber frame. I would search out any timber framers in your area (it may be a big area) and talk to them. I bet they are more than happy to share their knowledge.

  3. Can you advise your concept for footing this plan and transferring the weight load of 9 posts to ground? Concrete footers to below frost line or…?

  4. I have a stock of 4×6 and 4×10 clear douglas fir in lengths up to 18 feet. Would these be usable in this plan?

    1. Do you have any photos of the cabin or timber frame finished out? I am a home builder in Oklahoma and am planning on building some cabins for rentals and wondering how the finish cabin looks . We would need to add a porch on one side for sure. Thanks Dale

  5. David Westerman

    It’s always desirable to have some overhang to protect wood siding… How can it be added to this salt box frame?

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