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Wertz Barndominium

Pierre, SD

Participant information
Roberta Bartel or Charlie Ewalt
PO Box 443
Watertown, SD  57201
Email rbartel@enercept.com
Website:  www.enercept.com

Single Family Homes over 3,000 sq. ft.

Project information
Wertz Barndominium
Pierre, SD  57501

Date Completed:
September 2019

Dimensions of building (all floors of multi-story building):
Main: 38' x 80'
Loft: 24' x 65'

Total sq. ft. of conditioned space:
4,600 sq. ft.

Built By (if different than applicant)
Jbar Construction Specialties, LLC
Josh Barber
PO Box 443
Brookings, SD  57006
Phone: 605.677.7821

Panels Manufactured By: Company Name (members only):


Designed By (if different than applicant - SIPA will only recognize members)
Jbar Construction Specialties, LLC
Josh Barber
PO Box 443
Brookings, SD  57006
Phone: 605.677.7821


Describe the end use of the building:
The Wertz Barndominium, or "Fish Camp" is a second home for the Wertz family. It is located on Lake Oahe in South Dakota, a premiere fishing lake in the state. The Wertz family will use this home as their fishing headquarters and vacation destination.

How did SIP construction help you get this job?
The Wertz's had seen and admired examples of the Post and Beam Timber projects built by Josh Barber. They like the way that SIPs marry with Post and Beam Construction, and the energy efficiency of SIPs. They were concerned about the monthly expenses, and saw SIPs as the best solution to keep those costs manageable.  The family also felt the faster dry-in would protect the timbers from the harsh South Dakota elements.

SIP wall thickness and core material:
6" walls with a solid EPS insulating core

SIP roof thickness and core material:
10" roof with a solid EPS insulating core

Describe the benefits of using SIPs on this project. Did SIPs help save time, labor, construction costs, or energy?
The SIPs made it possible to cover the timbers quickly.  Using SIPs made it easy to put temporary heat in, so crews could work comfortably over the winter. In a structure of this size, they found that the material and construction cost for the SIP construction was virtually the same as the cost for stick-framed construction. They saved a huge amount of labor expense.  The energy consumption has been minimal.

Describe any innovative design elements or structural engineering involved:
They used a typical raised center Post and Beam barn design. They used the SIPs to make it structurally twice as strong. This is important in central South Dakota, since strong storms and winds are common in the area.  All the floors on the main level are polished concrete.

Describe the HVAC system used on the project:
24 SEER Air to Air heat pumps for both living and garage areas. A high-efficiency electric boiler heats the in-floor heating system.

Any additional comments on the project:
They installed steel roof with high reflectivity rating. Energy Efficient Integrity by Marvin Windows. The home is 100% LED lighting. The electric hot water heat is the highest efficiency made. All of the appliances are Energy Star rated. The low operational cost afforded by the SIP construction, allowed the owners to heat their large garage as well as the living area. Mr Wertz stated that, "SIP Construction is the only way to build that size of conditioned garage space in an affordable manner."

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Builder Information

Jbar Construction Specialties, LLC
Josh BarberPO Box 443
Brookings, SD 57006

Phone: 605.677.7821
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Panels manufactured by Enercept.

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