Item: 141150

Sheetrock® Brand UltraLight Panels Firecode® X

Available Product Options

Thickness: 5/8 inch


The industry's first and lightest 5/8" Type X panel available for commercial and residential construction. Sheetrock® Brand UltraLight Panels Firecode® X is the industry's first and lightest Type X gypsum panel, and is available in one of two Underwriters Laboratories Inc. (UL) Type Designations (Type ULIX and Type ULX), depending on the market. Both panels have been formulated to achieve all of the strength and performance characteristics as standard 15.9mm (5/8") Sheetrock® Brand Firecode® Gypsum Panels at a significantly reduced weight.
Product Availability of type ULIX: Western Canada, Ontario, and Quebec
Product Availability of type ULX: New-Brunswick, Nova Scotia, Prince Edward Island and Newfoundland.

Main Features

Innovative engineered composite design makes Sheetrock® Brand UltraLight Panels Firecode® X the lightest Type X wallboard available in the industry.
  • Complies with ASTM C1396 physical properties for 15.9mm (5/8") Type X gypsum wallboard.
  • Listed by UL for use in fire-rated partitions when installed either vertically or horizontally with aligned tapered edges on standard and equivalent UL-approved 25-gauge studs (per UL Design U419 and U423).
  • cUL Classified as to fire resistance, CAN/ULC-S102 for surface burning characteristics and CAN/ULC-S114 for core combustibility.
  • Offers comparable sound, strength and impact resistance to standard 15.9 mm (5/8") Type X.
  • Can be used in generic wall and ceiling fire rated assemblies where 5/8" Type X panels have been specified.
  • The type ULIX is also available in 54’’ wide panels perfect for 9-foot ceilings and reducing overall number of joints to finish.


  • Multi-Family Residential and Condos
  • Single-Family Residential


Submittal SheetPDF 329 KB


  • Anti Mold & Mildew Resistance No
  • Fire Resistance
    • Fire Rating Firecode
  • Thermal Resistance No
  • ASTM Classification ASTM C1396


  • GREENGUARD Certification Yes

Physical Data

  • Thickness (in.) 5/8
  • Edge Tapered Edge
  • Panel Size 48" x 6-16'

Documents & Files

Submittal Sheets & Specifications

White Papers

Catalogs & Brochures

Design Files

Installation & Technical Manuals

SDS, Certifications & Reports