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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

  • Multi-story residential and hospitality projects

  • Mezzanines, platforms, and tiered seating

  • Modular and panelized construction

  • Roof decks and balconies

Building

Multi-story residential & hospitality

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Mezzanines, platforms & tiered seating

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Modular and panelized construction

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Roof decks & balconies

Download the NOCOM Submittal for full specifications.

Literature

Load Table for Structural Floor Deck Applications

Pre-Installation Checklist

Installation Over Steel Framing for Floors

Installation Over Wood Framing for Floors

Assembly Guidebook for Fire & Acoustic Testing

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