ProjectSpotlight: INTERIOR GLASS  
Glass Lets the Sun Shine in  
Nashville’s 21C Museum Hotel  
ribbon-cutting in May signaled  
the opening of 21C Museum  
Hotel in Nashville, Tenn., one of  
eight 21C Museum hotels in the coun-  
try. Located in a building more than  
A
1
00 years old, the museum hotel is  
just that; both a museum with 10,500  
square feet of new and contemporary  
art exhibition, and a boutique hotel  
that has 124 guest rooms with its own  
interpretations of the traditional ac-  
commodations, as well as a restaurant  
to match it all.  
And, as with many large hotels, it of-  
fers meeting and event space.  
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1C Nashville is the hotel chain’s  
fourth collaboration with Pitts-  
burgh-based executive architect Per-  
fido Weiskopf Wagstaff and Goettel.  
This particular museum and meeting  
space has a second-story glass floor  
that also acts as a light well. The total  
area for the design feature was 240  
square feet, divided into two areas,  
each 12 by 10 feet and expected to  
carry a 100-pounds-per-square-foot  
Project: 21C Museum Hotel in Nashville, Tenn.  
Architect: Perfido Weiskopf Wagstaff and Goettel  
Glazier: Wall Brothers Glass LLC  
(
psf) load. And, it had to comply with  
fire-rated code requirements, neces-  
sitating the glass floor to meet a one-  
hour fire-resistive rating. On top of all  
of that, it had to be affordable.  
Product: GPX FireFloor System by SAFTI FIRST  
Application: 60 minute fire-resistive floor  
When SaftiFirst came on board the compassing non-slip rated Starph1ire steel framing grid is installed, unlike  
project, the original design had 30 lites tempered laminated glass with some fire-resistive floor systems that  
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/ -  
of 2-by-2-foot individual glass panels inch non-skid white dots from Old- require two separate installations for  
in each area. The company’s sales and castle BuildingEnvelope®, insulated to the glazing, which reduced labor costs  
engineering teams proposed a design custom SuperLite II-XL fire-resistive and time. It also eliminates condensa-  
comprising four lites of 6-by-5-foot glazing. The white dots on the walk- tion that may occur when the walkable  
individual glass panels for each area ing surface also obscure views of those surface is separate from the fire-resis-  
that still met the required 100-psf load. on the first floor who might look up tive glass.  
Using larger glass sizes reduced the cost through the glass, while still allowing  
The overall glazing thickness was  
3
/
of the system as well as the field labor light from the second floor to pass 4 1  
16-inches, and the architect went  
with a statuary brown finish framing.  
Because the GPX FireFloor system Both the glass units and structural steel  
to install, and it was this design that be- through, as required by the architect.  
came the final look for the project.  
The company supplied a GPX Fire- includes a single glass unit, it can be framing grid were manufactured by  
Floor System single glass unit en- loaded from the top once the structural SaftiFirst at its Merced,Calif.,facility. n  
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USGlass, Metal & Glazing | July 2017  
www.usglassmag.com  

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