PABCORE® Shaftliner

Primary Uses

  • For use in one or two-hour shaft wall systems
  • For use in one or two-hour horizontal ceiling systems
  • Two-hour Area Separation Wall

PABCORE® Shaftliner Type X panels are manufactured with a proprietary fire resistant Type X core which has been reinforced with glass fibers and other additives to increase its fire resistance. This core is encased in 100% recycled water resistant paper and features a double beveled edge. Shaftliner panels are also available in glass mat PABCO GLASS®.
Made in the USA

Core Thickness Width Length Edge Weight
Type X
1” (25.4 mm) 24” (609.6 mm) 8’   (2334 mm)
10’ (2334 mm)
12’ (3658 mm)
Double Beveled 4.0 lbs/ft2


Core:  1” Type X (UL Core Type: PG-10) Gypsum Core
Paper: 100% recycled content paper on front, back and long edges



ASTM C1396, Federal Specification SS-L-30D Type VI & Grade X



PABCO Gypsum Installation Instructions
Gypsum Association GA-214, GA-216


Water Absorption ASTM C473:



Surface Burn ASTM E84:

Flame Spread 15
Smoke Developed 0


Combustibility ASTM E136:


See the Gypsum Association Fire and Acoustic Guide GA-600
Underwriters Laboratories, UL fire Resistance Directory Design Number:

Type X (PG-10) 1”


Sustainably manufactured in Las Vegas, NV, and Newark, CA.
LEED and sustainability information: