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18×12 Timber Frame Pavilion

18x12 Timber Frame Pavilion (02218) ISOMETRIC
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This lovely 18x12 timber frame pavilion plan  is a perfect size to fit in practically any landscape, yet large enough for so many purposes.  You could  create a dining pavilion, great workshop or sweet backyard retreat. We actually give you two plans when you purchase this 18x12 timber frame pavilion! We  include a full plan set designed as a standalone structure, and a second one planned as a porch to be attached to an exterior wall of your home. You will love showing off your skills with the gently curved braces and embellished rafter ends.

This structure measures 18 feet x 12 feet  from outside to outside of the posts. It is a single bay design that creates a totally clear floor space. There are generous  2 foot overhangs. The top of the top plate stands at  +9’-3” high,and the  top of the rafters are  +17’-7” high. The roof pitch is 8 in 12.  This frame utilizes 2218 board feet  including 8x8, 8x10, 6x8,  and 6x10 timbers

As soon as  you make your purchase, you will receive links to download the pdfs of the plan sets. They are formatted to print best on 11”x17” paper, but you can print a set from home on letter size paper for study purposes.  Both plan sets include 10 pages full of all the information you need for success: 3D drawings, post and rafter plans, section drawings, and detail drawings of the more complex areas of the frame. Both piece drawings sets include 17 pages showing you every cut you will make on each timber. And the pieces are labeled to match the 3D drawings on the plan sets, so you know exactly where each one fits in the frame. 

For more information about this plan please visit its shop page at 18×12 Timber Frame Pavilion Plan.  This plan is included in our Plan Bundle.

18x12 Timber Frame Pavilion (02218) Interactive 3D Model
18x12 Timber Frame Pavilion (02218) - Plan Overview
18x12 Timber Frame Pavilion (02218) - Piece Overview

100% Money Back Guarantee for 30-Days

Purchase With Confidence...It's Risk Free!

If, for any reason, you don't like this plan, you can get a full refund anytime within 30 days after your purchase. If you have any issues, just get in touch with our support team and they'll either help you out until you get the results you need or give you a swift refund.

Important Information and Plan Licensing Agreement:

  • 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 measurements before construction.
  • Timber Frame HQ grants you a non-exclusive, non-sub-licensable and non-transferable license to use the plans purchased from the Timber Frame HQ website.
  • This License is personal to you only. You may not use the License for any other purpose except for personal purposes.
  • 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.  Only you may use the License, and such use shall be limited as stated above.
  • All materials provided under this License are owned by Timber Frame HQ. Any License granted under this Agreement shall only convey a non-exclusive, non-sub-licensable, and non-transferable right to use the plans in accordance with the full terms of this Agreement.
  • You are expressly prohibited from creating any derivative works in the plans or permit any other person to create any such derivative works. You are further expressly prohibited from reproducing* the plans in any fashion on any medium, except printing the plans directly from the PDF's you will receive. You may not modify the plans. Your License does not allow others to represent our design work as their own.
    *Please note:  You or someone else can print the plans for planning and construction use.
  • Your License does not allow others to represent our design work as their own.
  • Timber Frame HQ specifically disclaims and warranty that the plans will be error free and will not be responsible for any loss suffered by you because of the plans or otherwise.
  • Any commercial use of the plans is strictly prohibited.

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22 thoughts on “18×12 Timber Frame Pavilion”

  1. This looks awesome!
    Is it possible (would it be difficult) to double this up for an 18×24? That would be perfect for my workshop.

    Mark

  2. That would not be a problem, you would just need to mirror the frame. We are happy to make that adjustment in our custom design dept. or that would be easy to do in your shop.

  3. Katrina Williams

    We do take on custom projects and would like to talk to you further about yours. Check out our page, HERE, describing what we offer and the process of our custom design services. 

    Fill out the design questionnaire so we can understand your needs. That’s the best way to communicate with our team and get an estimate for design services. With that being said, extending a frame parallel with the ridge is one of the lesser expensive alterations.

  4. What is the roofing sheathing typical for timber frame pavilions? It looks like some kind of 2x material and not plywood. Thank you in advance.

  5. There are many options for roofing your timber frame. If you want to use tongue and groove so it looks amazing from the inside, here is what we recommend:

    You can use 3/4″ T&G then put 2×4’s length-wise as a spacer, then put metal roofing straight on the 2x4s and screw them off. If using shingles you will need to add a layer of sheathing to give you the nail base on the 2×4’s. This will also give you space to run any electrical wires.

    Alternatively, you can use 2x T&G and put the roofing straight onto that.

  6. Katrina Williams

    Yes it could, it would require quite a bit of custom design. Check out our page, HERE, describing what we offer and the process of our custom design services.

  7. Katrina Williams

    The collar would need to be deeper, how deep depends on the snow load on the roof. However, a 15′ clear span could possibly work. If you would like help with the changes, please check out our Custom Design page.

  8. Katrina Williams

    That would be a custom design. Check out our page, HERE, describing what we offer and the process of our custom design services. Fill out the design questionnaire so we can understand your needs. 

  9. do you know what the maximum snow load is for this plan? we get up to 24″ of snow some winters.

  10. Katrina Williams

    Roof loads depend on factors like seismic areas, wind load, wind exposure, timber species and more. When in doubt we recommend that you consult an engineer. We do offer engineering services as an add-on to our standard plans. If this is something you are interested in, go to our Custom Design Project Information Form and fill it out to communicate with our team.

  11. I like your design. Can you design a 20 x 14 Pavilion , or would I just modify the 18 x 12 ?

    Thanks

  12. That depends upon wood species and your location. You can go to our Kits Page, click on “Get an Estimate”, and fill in your zip code to get an astimate on most of our stock plans.

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