Shaft Liner 1''

Shaft liner is a fire-rated, heavy-duty gypsum board designed specifically for vertical shafts, elevator shafts, stairwells, and mechanical chases in buildings. It provides a non-combustible, fire-resistant barrier to help contain fire and smoke within designated areas.

Structure & Composition

• Core: Dense gypsum with glass fibers for fire resistance

• Facing: Heavy-duty paper or fiberglass mats on both sides

• Edges: Square or tapered edges for joint finishing

• Special Features: Engineered to maintain structural integrity under fire exposure and to resist sagging in vertical installations

Shaft liner panels are stronger and denser than standard Type X drywall, specifically optimized for fire-rated vertical assemblies.

Key Features

• High Fire Resistance: Typically rated 1–2 hours, depending on thickness and assembly

• Vertical Stability: Heavy-weight, rigid panels resist sagging in tall shafts

• Sound Dampening: Dense panels help reduce sound transmission between floors

• Non-combustible: Meets building code requirements for elevator shafts and utility chases