SIP Office Building Gillette WY

Location: Gillette, WY

Project Information

Project Type: Commercial, Office
Manufacturer: Enercept
Builder: Mountain Peak Builders
Design Professional: Daniel A Schwalbe Inc
Year Built: 2022


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

Describe the end use of the building:
This building is an office space and drive up for a financial institution.

How did SIP construction help you get this job?
The builder is a long-time Enercept Independent Dealer. They have been building with Enercept SIPs since 2006, and are sold on building with SIPs.

Wall thickness:  7 3/8" EPS Core
Roof thickness: 9 5/8" EPS Core

Benefits of using SIPs:
The design of the Highmark Credit Union is perfect for SIP Construction.
The experienced crew was able to install the wall panels in two to three days.

Describe any innovative design elements or structural engineering involved:
Because of a supply chain issue with glulam material, the panels were engineered to utilize
LVL material inside the panels.

HVAC system:
The credit union building has two Energy Star rated, 90+% AFUE Amana model AMEC960803BN systems.

List U-values of windows used and the U or R-value:
Low E windows with a U-value of 0.29 SHGC 0.25 were installed throughout the building.

Energy-efficient products:
100% LED Lighting

Sustainable materials:
The landscaping does not require any watering other than natural precipitation.

Any additional comments on the project:
The Schilling Group (now Mountain Peak Builders) has been building with Enercept SIPs since 2006. Enercept has provided panels for 45+ projects in that time. The Highmark Credit Union is located in a development that is predominately made up of SIP construction.


Affiliated Members

Enercept, Inc.

Watertown, SD


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