UL Type Designation, Gypsum Board, Acoustical Ceiling, Suspended Ceiling

These listings contain the UL Types assigned to USG products and systems by Underwriters Laboratories Inc.

Gypsum Board and Related Products
UL Type Designation	Product(s)
A	Firecode® Acrylic Firestop Sealant
AR	Sheetrock® Brand Abuse-Resistant Gypsum Panels
AS	Sheetrock® Brand Acoustical Sealant
C	1/2" and 5/8" Sheetrock® Brand Firecode® C Core Gypsum Panels 1/2" Sheetrock® Brand Firecode® C Core Gypsum Panels Mold Tough
DCB	Durock® NextGen Cement Board
DGL	USG Drywall Suspension System (15/16" wide)
DGLW	USG Drywall Suspension System (1-1/2" wide)
DUROCK	Durock® Brand Cement Board
FC	Firecode® Compound
FC30	SHEETROCk® UltraLight Gypsum Panels FIRECODE® 30
FRX-G	All 5/8" Fiberock® Brand Aqua-Tough™ Panels and Fiberock® Brand Aqua-Tough™ Underlayment Panels
IA	Firecode® Intumescent Acrylic Firestop Sealant
IP-X1	Imperial® Brand Firecode® Core Gypsum Base
IP-X2	Imperial® Brand Firecode® C Core Gypsum Base
IP-X3	Imperial® Brand Ultracode® Core Gypsum Base
LRK	Levelrock Brand Floor Underlayment
RFC	Ready Mixed Firecode® Compound
RLX	Rocklath® Brand Firecode® Core Plaster Base
SA	Firecode® Acrylic Firestop Spray Sealant
SCX	Sheetrock® Brand Firecode® Core Gypsum Panels Sheetrock® Brand Firecode® Core Gypsum Panels Mold Tough
SHX	Sheetrock® Brand Firecode® Core Gypsum Sheathing
SLX	Sheetrock® Brand Gypsum Liner Panels Sheetrock® Brand Gypsum Liner Panels Mold Tough Sheetrock® Brand Glass-Mat Gypsum Liner Panels
ULTRACODE	Sheetrock® Brand Ultracode® Core Gypsum Panels
ULX	SHEETROCk® Brand UltraLight Panels FIRECODE® X
USGX	5/8" Securock™ Glass-Mat Sheathing Panels

Acoustical Tile and Panel Firecode Products
UL Type Designation	Product(s)
AP, AP-1, AP-2, or AP-3	Sandrift™, Frost™, Glacier™ Ceiling Panels
Astro-FR	Astro™ ClimaPlus Ceiling Panels
FC-CB	SHEETROCK Brand ClimaPlus Lay-In Ceiling Panels
FR-4	Radar Ceramic ClimaPlus Ceiling Panels
FR-83	Fissured, Radar™, Radar ClimaPlus Illusion, Radar ClimaPlus High CAC/High NRC, Radar ClimaPlus, Rock Face® ClimaPlus, Fissured, Radar™, Radar ClimaPlus Illusion, Radar ClimaPlus High CAC/High NRC, Radar ClimaPlus, Rock Face® ClimaPlus, Touchstone ClimaPlus Ceiling Panels
FR-X1	Eclipse™ ClimaPlus, Millennia® ClimaPlus Ceiling Panels
M	Clean Room™ ClimaPlus Ceiling Panels

Acoustical Suspension Products
UL Type Designation	Product(s)
DXL	Donn Brand DXL Suspension System (15/16" wide) Donn Brand DXL Concealed Suspension System (15/16" wide)
DXLA	Donn Brand DXLA Suspension System (15/16" wide, aluminum cap)
DXLF	Donn Brand Fineline® Suspension System
DXLT	Centricitee Suspension System (9/16" wide)
DXLTA	Centricitee Suspension System (9/16" wide with aluminum cap)
SDXL	Donn Brand SDXL Simplicitee Suspension System (15/16" wide, retail)
ZXLA	Donn Brand ZXLA Suspension System (15/16" wide, environmental)

Specialty Ceiling Products
UL Type Designation	Product(s)
CM	Celebration™ Metal Ceiling Panels (metallic)
CP	Celebration Metal Ceiling Panels (painted)
DXLP	Paraline® Linear Metal Ceiling System, Paralock main tee
PAR, PARP, PAS, PASP, PSR, PSRP, PSS, PSSP	Paraline Linear Metal Ceiling System (linear metal panels: aluminum, steel, smooth, textured (R), plain, perforated)