Primary Uses

  • For use in areas where moisture may be present to prevent mold growth such as in bathrooms, kitchens, laundry rooms and basements
  • Ideal for use as a tile backer when allowed by applicable building codes
  • Can be used in pre-rock construction when the structure is not completely closed in

PABCO GLASS® INTERIOR is a glass faced gypsum panel with a proprietary formula that provides a mold and water-resistant gypsum core. The product is reinforced with glass fibers to increase core strength and durability compared to 1/2” gypsum board. PABCO’S interior glass gypsum panels are noncombustible and dimensionally stable, resisting warping, sagging and buckling. The product’s performance will not be compromised due to extended exposure, up to one year, under normal weather conditions* during construction. The 1/2” glass panel is approved for use in non-fire rated construction.
Made in the USA

*Normal weather conditions shall mean climatic normal weather with usual high and low temperatures, with occasional moderate rain and wind.

Core Thickness Width Length Edge Weight
1/2” (12.7 mm) 48” (1219 mm)

8” (2334 mm)

12’ (3658 mm)

Tapered 2lbs/ft2


Core: Gypsum Core Type Options: 
1/2” Regular (UL Core Type: Regular)
Paper: 100% glass mat on front, back and long edges



ASTM C1396 part 7, C1658, C1178



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


Mold/Mildew Resistance ASTM D3273:

10 (Highest Rating)


Water Absorption ASTM C473:

≤5% by weight


Surface Burn ASTM E84:

Flame Spread 0
Smoke Developed 0


Combustibility ASTM E136:


See the Gypsum Association Fire and Acoustic Guide GA-600

Underwriters Laboratories, UL fire Resistance Directory

Sustainably manufactured in Las Vegas, NV from raw material extracted from the same location.
For additional LEED and sustainability information, please contact PABCO Gypsum Technical Services.