PLYCEM CemDeck Fiber Cement Board


Non-combustible span-rated structural sheathing for design of fire-resistant floor, roof, and wall assemblies.

  • Plycem is a non-combustible building material having passed the stringent requirements of ASTM E136.
  • Plycem is rated for zero smoke development and zero flame spread in accordarce with ASTM E84.
  • Plycem is UL Rated as a Class A roof sheathing.
  • Plycem floor assemblies have achieved both 1 and 2 hour fire-ratings in accordance with ASTM E119.
  • Plycem wall assemblies have achieved both 1 and 2 hour fire-ratings in both non-load bearing and load bearing assemblies in accordance with ASTM E119.
  • High impact resistance - Plycem is comprised of 72% Portland cement.
  • High framed wall shear resistance eliminates the need for diagonal / cross bracing of metal stud walls.
  • Immune to attack by vermin and termites.
  • Moisture and weather resistant - factory sealed against moisture absorption.
  • Installs with standard carpentry tools.
  • Easily cut, shaped, or routered with standard carpentry tools.

Plycem is ideal for the Modular Building Industry with high shear/diaphragm values and high racking strengths.

Plycem's non-combustibility makes it ideal for shipping into all building code jurisdictions.