Middle Density Fiber Cement Board

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1,Structure of (Cement Boards) Description

Waterproofing;Sound Insulation;High density;moisture proof;anti-sunk;Strength;Toughess;Anti wet; Nice thin board usage,bendable.

2,Main Features of the (Cement Boards)

·100% Non-asbestos
·Density: 1250 to 1500 kg/m3 (+ - 5%)
·Coefficient of thermal expansion: 0.11 kcal/m.hroC
·Bending Strength: over 180 kgf/cm2
·Linear expansion rate: 0.1%
·Water absorption rate: 35%
·Water penetration rate: 0%
·Water content: 8%
·Incombustibility according to CNS 6532 and BS 476

3,(Cement Boards) Images

Fiber Cement Board


4,(Cement Boards) Specification


   Standard Data of the Middle Density Firber Cement Board
Standard Size1220X2440mm/1200X2400mmMax Width1250mmMax Length4880mm
Wet Expansion Rate≤0.23%Water Penetration≤25%
Forst ResistanceNo Layer & no cracks after 25 cycles under freezing and thawing
IncombustibilityIncombustible Class A1RadioactivityDecorative materials Class A
Flexural StrengthAir dried Condition ≥18Water PenetrationBack side without water drop after 24 hours
Saturated Condition≥14



5,FAQ of (Cement Boards



        (1)Cavity Wall for Interior Partition

           1.Wet area( restroom,kitchen and basement etc.)

               2.High sound insulation requirements area ( pc room,meeting room and hotel etc.)

          (2) Light Concrete Grouting Wall

          (3) Other Applications

               1. Ceiling board

               2. Perforated board

               3. Aluminum lining boards and insulation barriers for high-speed train

               4. Column Coverage


Production Scale and Equipment


       We introduced international advanced equipment and technologies. From raw materials preparation to board forming stacking and compressing, autoclaving and destacking are all controlled by strict and efficient production craft. The whole process is full automatic, high efficient and quality stable.

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Q:Installation of fiber cement board
When the fiber cement pressure plate is laid, the longitudinal direction of the plate must be perpendicular to the direction of the secondary keel and the width of the sheet Of the staggered arrangement of the screw from the edge of the board is 15mm, from the corner of the 50mm position, the screw spacing of 180 ~ 200mm or so, before the first plate according to the keel of the grid in the board on the line, in the nail through the location of the first Drill a shallow pits to ensure that the plate is flat and the screw head sinks into the plate, 0.5mm, fixed plate from the middle, and then fixed around. Board and the gap between the board is not less than 5mm, large area And long aisle between the top 10 ~ 15m to leave a expansion joints.
Q:Will the cement board rust?
Time if long-term, of course, can be imagined that ordinary cement is a portland cement, urine containing hydrochloric acid, after a long period of time into the hydrochloric acid will produce corrosion of cement will be metamorphosed in advance, it must be affected.
Q:Is it really necessary to use cement board when placing tile on plywood, like for a table top?
keep in mind that although ceramic tile may be impervious to water and other fluids, the grout between the tile is not. if there is a chance that something will spill with any regularity it will get through the grout and you could end up with mold. this is not a situation into which you want to place your family. there is a product called tilebacker board which is available in 1/4 thickness. moisture will still get by the grout, but it will not be in contact with the wood structure which of course is organic.
Q:How to install the outer wall plywood
Before installation, please determine the number of hanging plates and accessories according to the actual situation of the house. In addition, the use of some suitable tools and equipment during the installation will help to improve the installation speed and effect. Commonly used tools are: electric saw (desktop or portable), hand hammer, fine tooth straight knife saws, rectangular ruler, level ruler, tape, ink line, protective glasses, tool knives, iron scissors; Hole clamp.
Q:Can cement tiles be directly on the cement board? What material is good?
Small area can be directly on the cement board with brick can be used. If it is a large area must be linked to the net brush paste and then tiling, so that will not crack off after the use of cement mortar.
Q:how do i cut cement (backer) board?
if its backer board, u can cut it with a razor knife, if its Dur-rock( cement board) wet the area of the board first after marking the line with a pencil, and then cut , will cut down on the dust. hint: get a box or floor fan and point it so as to blow the dust away from u! lic. gen. contractor
Q:is there a substitute for cement??
Q:911 polyurethane brush in the cement board is what is the bubble
Wood paint after brushing the phenomenon of blistering, often before brushing, can not be mixed with wood paint and then no longer let it rest for half an hour or so again and again the phenomenon of operation. In addition, in the brushing because of the window and make the wind blowing in the decorative panels, but also cause the phenomenon of blistering. This phenomenon is more trouble, with fine sandpaper to the bubble at the light of the sand level, and then dry with a dry cloth, and then make up the same wood paint. Sometimes fill the paint at the larger color, it must also be the whole face all brush again.
Q:Bent cement board while installing onto floor...will it be ok?
well i hope youre not using actual thinset. Thinset is for wall tile :p You want mortar. and 1/4 backerboard would have been plenty, but too late now :p even if the board cracked...assuming you screwed it down well, and mortared underneath it, it's fine. No worries.
Q:What is the difference between VIVA wood chips and FOREX plum cement board?
Color VIVA wood fiber cement board: the color is darker, (clear water color) FOREX US rock cement board: lighter color. (Water color)

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