Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing
We collaborated with EwingCole Architects (Philadelphia) and McGough Construction (Duluth) to bring their visionary design to life at Essentia Health’s new St. Mary’s Medical Center in Duluth. McGough selected us based on our proven track record of successful collaborative projects together.

Our contribution involved providing and installing a steel-supported structural glass system at the Level 6 inpatient entrance only. This created a light-filled, inviting entrance that not only captivates visitors but also delivers the uncompromising performance standards essential to modern healthcare environments
Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 3

The installation features an innovative structural framework of 35-foot galvanized steel vertical tubes suspended from the building structure to support expansive four-sided structurally glazed panels.


Complementing this system are precision-engineered stainless steel-clad receiving channels supplied by Sentech, creating seamless integration at the head, sill, and jamb conditions.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 4

Each 6' × 10' insulated glass unit showcases advanced glazing technology with 1-7/16" thick lites combining low-iron clarity, heat-soaked safety treatment, laminated durability, low-emissivity thermal performance, and bird-friendly dot silkscreen patterning—delivering both exceptional performance and environmental responsibility.


The glazing system employs a sophisticated butt-joint structural glazing approach with concealed cassette assemblies integrated behind each panel. Hidden toggle mechanisms provide robust structural attachment while maintaining the clean, uninterrupted glass aesthetic that defines contemporary curtainwall design.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 6

An intelligent ventilation strategy incorporates strategically perforated backup tubes that introduce conditioned air at the panel heads, creating an air-washing effect that actively prevents condensation formation, ensuring crystal-clear visibility and optimal thermal performance

year-round.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 8

We utilized a specialized overhead trolley system to install the substantial glass panels, each weighing approximately 800 pounds, across three building elevations. This temporary rigging system was removed and integrated into the permanent soffit once the installation was complete.


Precision monitoring was essential throughout the process, with pre-tensioning systems tracking deflection to ensure each panel achieved its exact final position within the required tolerances.

The entrance features an Assa Abloy bi-parting door system with glazing carefully matched to the adjacent curtainwall for visual continuity.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 9

Based on our proven expertise, the contractor recommended us to collaborate with Eventscape on installing complex interior trellis systems throughout multiple areas of the facility.


This specialized work required precise layout coordination and sophisticated erection procedures to accommodate the unique architectural geometries that presented installation challenges specific to this project.

Essentia Health St. Mary’s Medical Center's (Duluth) new high-performance façade system at the Level 6 - Inpatient Entrance. w l hall company glass and glazing 9

This project proves our ability to transform glazing visions into architectural reality. Glazing selection shouldn't overwhelm your design process.


Here's the solution: you focus on your design, and we handle the glazing expertise. One conversation could transform your next project.

By Ira Hackner November 21, 2025
Most building professionals know that air leakage is one of the biggest performance failures in commercial buildings. What is less understood is this: Air leakage doesn't move in only one direction. It can move inward (infiltration) or outward (exfiltration) — and each direction carries its own set of energy, comfort, and moisture-control consequences. Even worse, rolling doors have historically been among the weakest points of the building envelope.
By Ira Hackner November 14, 2025
Daylighting, Durability & Performance: Why the Thief River Falls Regional Airport Chose Kalwall
By Ira Hackner November 7, 2025
We truly enjoyed working with HCM Architects (Minneapolis), TKDA Architects (Bloomington), Knutson Construction (Minneapolis), and McGough (St. Paul), who brought four new Xcel Energy service facilities — in Chanhassen, Onalaska (WI), St. Cloud, and St. Paul–Maplewood. We helped bring their design visions to life with Kalwall’s advanced translucent daylighting systems, which elevate energy efficiency, occupant comfort, and thermal performance.
By Ira Hackner October 30, 2025
AIA Minnesota Excellence in Design for Energy Award Lakewood Cemetery's Welcome Center
By Ira Hackner October 20, 2025
2025 Rethos Historic Rehabilitation Award Winner | Landmark Tower Apartments (St. Paul) Conversion
By Ira Hackner October 6, 2025
We were pleased to collaborate with Mohagen Hansen Architecture (Wayzata, MN) and Gardner Builders (Minneapolis) to bring their design vision for Agralite Electric Cooperative’s new 63,000-square-foot headquarters in Benson, MN, to life—featuring the innovative use of Kalwall® daylighting systems in both the office space and the warehouse.
By Ira Hackner September 19, 2025
Carleton College (Northfield, MN) is recognized for its rigorous academics, intimate class sizes averaging just 14 students, and a strong sense of community. We were proud to bring our extensive expertise in educational glass and glazing projects to the college’s Class of 1974 Building, made possible through the generosity of the Class of 1974 alumni.
By Ira Hackner September 12, 2025
Boston Scientific's Maple Grove Expansion – Supported by W. L. Hall Company Solutions
By Ira Hackner September 2, 2025
When Hornig Companies set out to build their new headquarters in St. Louis Park, Tanek Architects (Minneapolis) and Gardner Builders (Minneapolis) designed a conference room that could do it all—flexibility, acoustics, and aesthetics.
By Ira Hackner August 21, 2025
Think of the McKEON AirShield™ AL3014 as more than just a door—it’s a precision-engineered barrier designed to keep comfort in and unwanted air out. This high-performance overhead coiling system is built for environments where air matters most: from busy industrial facilities to sensitive institutional spaces. 扇🌬️ Superior Air Control – Keeps interior climates stable by minimizing air infiltration and exfiltration 💡 Energy Efficiency – Helps cut heating and cooling costs while meeting today’s strict energy standards 🛠 Durability You Can Trust – Engineered to perform reliably in the toughest conditions The result? Protected interiors, better comfort, and a door system that works as hard as you do.