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.  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
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 
Floor Assembly: STC and IIC sound ratings. Structural Concrete Panel, Gypsum Concrete, Normal Weight Concrete
STC/IIC