UL Type | USG Design Studio

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)
AR	Sheetrock® Brand Abuse-Resistant Gypsum Panels
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
FRX-G	All 5/8" Fiberock® Brand Panels
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
RLX	Rocklath® Brand Firecode® Core Plaster Base
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
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	Aspen, Fissured, Pebbled ClimaPlus, Radar™, Radar Illusion, Radar ClimaPlus High CAC/High NRC, Radar ClimaPlus, Radar ClimaPlus Illusion, 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)