DensGlass® Sheathing helps add performance and durability to a wide range of fire-rated and non-fire-rated building assemblies. The #1 architecturally specified fiberglass mat gypsum sheathing1 for more than two decades, DensGlass is built to stay strong and provide superior moisture and mold* resistance.


Widely recognized by the GOLD color, DensGlass Sheathing is the ideal choice for the high-performance built environment:

  • Ideal behind brick, siding, EIFS, stucco and other permanent claddings
  • Provides a rigid substrate for a wide variety of air or water-resistive barrier systems
  • Helps maintain flexibility with construction schedules despite bad weather
  • Backed by a limited warranty against delamination and deterioration for up to 12 months of exposure to normal weather conditions.
Document 101514-1.pdf