

NOCOM® Structural Cement mgo Board
Structural Cement Board for Subfloor & Roof
NOCOM is a ¾″ thick tongue-and-groove structural cement board designed to replace poured gypsum toppings and other wet systems. It installs with standard carpentry tools and supports immediate trade loading. UL Listed 1- and 2-hour fire-rated floor & ceiling assemblies.
key Properties
Weight: ~4.5 lb/ft² (145 lb per 4′×8′ sheet)
Class A surface burn (Flame 0 / Smoke 5) per ASTM E84
Chloride content < 1%, resistant to mold and corrosion
Bending Strength: 3,242 psi; Shear Strength: 3,302 psi
Noncombustible per ASTM E136 (QAI Certified)
UL Classified for 1- and 2-hour fire-rated assemblies (H514, L580, M527, P569, and more)
STC/IIC ≥ 55 in tested floor/ceiling assemblies
Advantages
Eliminates curing delays and added moisture from poured toppings
Reduces structural dead load compared to poured concrete
Provides combined fire and acoustic performance in a single panel
Weather-resistant and dimensionally stable
Applications
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Multi-story residential and hospitality projects
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Mezzanines, platforms, and tiered seating
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Modular and panelized construction
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Roof decks and balconies

Multi-story residential & hospitality

Mezzanines, platforms & tiered seating

Modular and panelized construction

Roof decks & balconies
Download the NOCOM Submittal for full specifications.
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