Mgo Subflooring2023-06-10T09:24:51+08:00

Fire Rated Mgo Subfloor Board

Bamboos is of notable economic and cultural significance in Asia, It has a higher specific compressive strength than wood, brick or concrete, and a specific tensile strength that rivals steel. it has being widely used for WPC decking floor and bamboo composite floor manufacturing.

Rockmax use magnesium oxide sulfate cement perfectly combine with bamboo fiber that offer extreme high strength and intensity.Rockmax mgo subfloor board is new generation building material, can be use as alternative to OSB/plywood subfloor, it is fireproof, moisture proof ,mildew resistant, insulate to sound and heat. Suit for both wood frame and steel frame subflooring system.

A1 Fireproof Will not release toxic gas when it is burning
Moisture resistant Will not mildew and soften in wet condition
High strength Bending strength of 18mm > 3000N
Chloride free Noncorrosive certified mgo, it will not corrode metal and screw, do not damp the floor
Termite reistant 100% resist of termite
Material safety meet European REACH regulation, exclude 191 kind of harmful substance, and it is formaldehyde and asbestos free

Fire Resistance

Mold Resistance

Building Safe

Impact Resistance

Heat Resistance

Health Safe

Moisture Resistance

Insect Resistance

ROCKMAX Mgo Subfloor Board Technical Data Sheet

Parameter Result Test Standard
Density >1150kg/m3 BS EN 12467 -2012
Bending strength 18mm> 26 Mpa BS EN 12467 -2012
Water absorbing by weight/24 hours <  20% BS EN 12467 -2012
Water impermeability  after 24h, water gauge 5 cm Lack of leakage BS EN 12467 -2012
Dry Shrinkage
Wet expansion
ASTM C 1186-08
Thermal conductivity <0.22W/(m·K) ASTM C 518-10
Asbestos or formaldehyde None EN REACH
Fungus resistant No Growth BS EN 12467 -2012
Fire Resistant A1   weight lose<30% EN ISO1182 &1176
Chloride content <0.1% ASTM C 871
Surface burning and smoke Class A  Flame Spread<25
Smoke Develop<25
ASTM E 84-12

ROCKMAX Mgo Subfloor Board Application and Limitation

Application Fireproof subfloor Loft subfloor
Temporary exhibition floor Fireproof assess flooring
Moisture proof subfloor Load bearing subfloor
Accessory Steel frame or timber frame Power screw driver/ Self drilling screw
Structural adhesive
Limitation Indoor use Joist of support 450mm / 600mm
Can not store outside without tarpaulin

ROCKMAX Mgo Subfloor Board Loading Capacity In 20’ft Container



Quantity 1 x Pallet

Square edge in 20ft CNT

Tongue and groove In 20ft CNT

18mm x 1220 x 2440


38 pieces

360 pieces

 300 pieces

18mm x 600 x 2700


36 pieces

648 pieces

 648 pieces

19mm x 1220 x 2440


36 pieces

346 pieces

 284 pieces

19mm x 600 x 2700


34 pieces

612 pieces

612 pieces

20mm x 1220 x 2440


34 pieces

330 pieces

270 pieces

20mm x 600 x 2700


32 pieces

576 pieces

576 pieces

● Other thickness and dimension can be customized

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