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40×42 Monitor Barn House

Monitor Barn House
  • Description


Typical of all monitor barn plans, this 40x42 monitor barn house plan has a large center aisle with shed wings on both sides, and a second level above the center aisle.  If you are wanting a large structure with great character and functionality, look no further than this one!  This is designed to fit on a 40x42 foundation after the addition of 5 1/2" Studs, and 5/8" furring strips behind the posts for drywall to be installed.  You may choose to leave one of the wings open for a comfortable porch or enclose the entire structure. There is plenty of mortise & tenon, spline and scarf joinery for you to show off your skills!

The raw dimensions from outside to outside of the posts are 38’-11 ¾” x 40’-11 ¾”. With cladding, the square footage is approximately 1680 for the first floor and 650 on the second level. The roof pitches are  8:12 for the  center aisle, and 4:12 on the shed wings. The height to top of the center aisle rafters is  24’-10”. The  height to the top of shed rafters is 13’-3”.  The top of the center aisle rafters stand at 19’-7”, and the height to top of shed plate is 9’-6”. This plan utilizes 9009.3 board feet.

With your purchase of this plan, we include architectural plans finished out as a four bedroom home with vaulted ceilings, large kitchen and living areas, and even a mud room!

We will send you links to download the PDFs as soon as you buy this plan. There are 13 pages of detailed information in the  construction set. We provide  3D drawings so you can picture the finished frame, including a production drawing with every timber labeled. We include  post, loft and roof plans, elevations and section drawings. And there are plenty of detail drawings with notes explaining the complexities.  The 47-page  piece drawing set has a drawing for every timber in the plan, with dimensions  showing you the cuts on each one. We also  include connector, parts and timber lists to make procuring your materials easier.

For more information about this plan please visit its shop page at 40×42 Monitor Barn House Plan.  This plan is also included in our Plan Bundle.

40x42 Monitor Barn House Plan (43615) Interactive 3D Model
40x42 Monitor Barn House Plan (43615) - Plan Overview
40x42 Monitor Barn House Plan - Architectural Overview
40x42 Monitor Barn House Plan (43615) - Piece Overview

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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:

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.

Plan Licensing Agreement:

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 reproduction or modifications of our designs, 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.

6 thoughts on “40×42 Monitor Barn House”

  1. Yes, they can. 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.

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