Ultra Efficient SIP Scandinavian Farmstead Afton MN

Location: Afton, MN

Project Information

Project Type: Residential, > 3,000 sq. ft.
Manufacturer: Extreme Panel Technologies
Builder: Hartman Homes
Design Professional: D/O Architects
Year Built: 2021


High Performance: No
HERS/EUI Index Score:
ACH50 - Blower Test Results: 1.31
CO2 lbs./sq.ft./year:

Building use:
Residence for celebrity Amy Matthews the star of the hit show "Sweat Equity" for This Old House.

How did SIP construction help you get this job?
Amy wanted the building to be built with SIPs

SIP wall thickness: 8 1/4" Wall Panels
SIP roof thickness: 12 1/4" Roof Panels

Benefits of using SIPs on this project. Did SIPs help save time, labor, construction costs, or energy?
All of the above! SIPs saved time, labor, construction costs. and energy!

Innovative design elements or structural engineering involved:
Mixture of steel and SIPs for certain aspects of the building.    End wall moment frame was designed with wood to eliminate steel in the gable end wall and fireplace chute.

Blower door test results: 1.31 ACH50  

Traditional HVAC system used

Additional energy-efficient products or design features:
Sierra Pacific windows

Additional sustainable materials or design features:
Amy got advice from Extreme Panel Owner and Master Gardener P. Allen Smith for the landscape of the home to make it blend well with the natural landscape.

Any additional comments:
Was a pleasure to work with Amy Matthews for her own personal project.   She is a wonderful person and is a good advocate for Extreme Panels and SIPs in general.   She loves her new house.


Affiliated Members


SIPA Website Sponsors