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20×20 King Post with Shed Roof Plan

20x20 King Post PlanEnclose this entire king post plan for a small cabin, or leave the shed roof area open for a rocking chair porch. The king post area is a generous 15 feet wide by 20 feet deep, with the 5 foot by 20 foot shed roof in addition. The main area has a 10/12 roof pitch, while the shed roof has a 3/12 pitch.

The package includes (26) PDF pages, in 8.5 x 11 format, full of renderings, elevations, sections, individual piece drawings and a complete timber list, all for immediate download.

Check this plan out in our shop –20×20 Timber Frame Plan (SKU 4848)

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

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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.

17 thoughts on “20×20 King Post with Shed Roof Plan”

  1. I like the overall look and design of this frame but I need a little more length. Would it be possible to make the frame 24 feet deep so the main area is 15×24 with out an additional bent or sizing up the timbers too much?

    1. Brice Cochran

      Thanks for your questions. That would be fairly simple change you can make in the field. You will just need to increase the length of the purlins, ridge and other timbers running that direction by 24″ in both bays.

  2. I’d like this for a sugar shack. I would like to raise the roof by 4′?, leaving the sills at 7 or 8′ and install a floor in front, remove the ridge at the back for the cupola. Is this a simple revision or does it require some head scratching and redrafting?

  3. Hi there, I love the design but am thinking I may only have space for a 15’ x 20’ structure. How difficult would it be to reduce the width by 5 feet, resulting in a 10ft wide cabin and 5 ft shed? I imagine the roof pitch would have to change; would it be 12/12 then?

  4. Michael Schaefer

    Hi Brice,
    Is this a design that can be built and stood up by a group of strong guys without a crane?
    How would I attach it to a concrete slab to use as a pavilion?
    Mike

  5. Eric Reeser

    I am looking to build a wood working shed. This plan is all most prefect for what I am looking for, but can 2 of the knee braces be removed at the end to allow for a 2 door, full size barn door opening? I can adjust for the other sizes since I am cutting my own wood.

  6. Richard Offermann

    What are the post and principle rafter sizes for this building? I’m in need of a 20×30 building for my work shop that doesn’t use an outrageous amount of timber. I have long leaf yellow pine on my property and plan on using it for the frame. Adding a bent to this design looks rather easy and I like the purlins as they save a lot of board feet of timber. I’m trying to avoid having to cut down an additional 14 large trees just for the rafters that most of the other designs of the size I need require.

    1. Rick Offermann

      I decided to purchase a membership and I’m glad I did. This design will work out very well for my shop. All of the other plans of the right size required common rafters and massive timbers. I would have had to find and harvest dozens of trees in order to have enough material. With this plan I have the space I want and I don’t need deforest my land to do it.

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