Fire and Sound Assemblies

In 2009, Aegis was the first proprietary cold-formed steel truss material supplier to achieve a UL fire rating by incorporating Ultra-Span® trusses and one layer of gypsum wall board. In 2016 Aegis had another first, achieving a sound rating for Ultra-Span floor truss assemblies. 

In March 2018 Aegis introduced a NEW UL fire rating allowing for a damper to be installed in the ceiling assembly of Ultra-Span® roof truss systems.  No other CFS truss system can offer this assembly.   Floor assemblies also allow for damper penetration in the ceiling of Ultra-Span floor systems.

See the list below of the various UL and Sound assemblies using the Ultra-Span truss system.

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Description Adobe® PDF
Sloped Roof Assembly: 1 and 1.5 hr fire rating with one layer gypsum ceiling.  2 hr fire rating with two layers gypsum ceiling.  Steel Deck
P521
Sloped Roof Assembly: 1 and 1.5 hr fire rating  with one layer gypsum ceiling.  Steel Deck
P523
Sloped Roof Assembly: 1 hr fire rating –with one layer gypsum ceiling. Plywood Deck
P540
NEW →  Sloped Roof Assembly: 1 hr fire rating with one layer gypsum ceiling with damper.  Steel Deck P577 
Floor Assembly: 1 hr fire rating – one layer gypsum ceiling.  2 hr fire rating – two layers gypsum ceiling. Lightweight Concrete Deck
G540
Floor Assembly: 1 hr fire rating with one layer gypsum ceiling.  Wood sub floor
L549
Floor Assembly: 1 hr fire rating with one layer gypsum ceiling.  Wood sub floor 
L565 
NEW →  Floor Assembly: 1 hr fire rating with one layer gypsum ceiling with damper.  Wood sub floor M541
NEW →  Floor Assembly: 1 hr fire rating with one layer gypsum ceiling with damper.  Concrete Deck H513 
Floor Assembly: STC and IIC sound ratings.  Structural concrete panel, gypsum concrete, normal weight concrete STC/IIC