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GlasRoc Shaftliner
Last Modified: 2018-02-05

GlasRoc Shaftliner


Area Separation Firewalls and Shaftwall Systems

  • 12 month limited warranty against exposure
  • Resists mold growth per ASTM D 3273 and ASTM G 21
  • Economical and efficient installation
  • Scores and snaps easily with no special handling required
  • No requirement for additional trades people on job
  • Added protection from moisture during construction
  • UL Classified and ULC Listed for Fire Resistance
  • One-sided construction of shaftwalls eliminates the need for extensive scaffolding
  • Rapid ease of installation reduces overall construction time and provides a cost effective system
  • Lightweight construction
  • Reduced wall thickness means greater floor area
  • Area Separation Firewall ratings up to two hours
  • Shaftwall fire resistance ratings up to two hours

2' X 8'1"Add To Quote
2' X 10'1"Add To Quote
2' X 12' Non Stock1"Add To Quote

GlasRoc Shaftliner

GlasRoc® Shaftliner for Multi-story Buildings and Multi-family Residential Applications. GlasRoc® Embedded Glass Reinforced Gypsum™ (EGRG™) Shaftliner for use in Shaftwall and Area Separation Firewall Systems is a 1" (25.4 mm) thick gypsum board with a specially formulated fire resistive, noncombustible, and moisture resistant core with embedded reinforcing glass mat and a protective acrylic coating on the exterior surface.


Committed to sustainability and total transparency, CertainTeed Gypsum is the first gypsum manufacturer to issue:

  • EPDs: Comprehensive 3rd party life cycle assessments certified by UL Environment 
    • Type X and Easi-lite
  • HPDs: Open standard, in which manufacturers report what makes up our products
    • All of board products have HPDs

Our 14 gypsum board manufacturing facilities, located throughout North America, operate with a responsible and environmentally conscious ethic that includes

  • Reclamation
  • Preservation of natural resources
  • Recycling
    • Face & back paper consists of 100% recycled paper
    • In-plant scrap is recycled back into the manufacturing process
  • Waste management
  • Where sources are available, synthetic or by-product gypsum from the desulphurization of flue gases at coal-fired power plants is used.
    • 3 of our manufacturing plants (Carrollton, Kentucky; Moundsville, West Virginia and Toronto, Ontario) use 100% synthetic gypsum and the total recycled content for these synthetic gypsum plants is 96%.

Although LEED rating systems do not currently address emissions for all building materials and their effects on indoor air quality, finished CertainTeed gypsum board products have no reportable VOCs and will not affect indoor air quality.

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