September 2008
Kent Construction Expo
Marmox Exhibited at this years Kent Construction Expo.
We would like to thank those who came along to see us at this years local Construction show. It was good to be able to put a few names to faces as well.
Thanks to Liz Hare and the rest of the organisers for putting together a great show. |
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August 2008
Interbuild '08
Marmox will be exhibiting at the next Interbuild. |

We are pleased to announce that Marmox UK will be exhibiting at this years Interbuild show. After a very successful show last year we are back again to show off some of our NEW products for insulating and heating. Included on our stand will be one of the new KEMA approved Cosystone heater panels that made their debut at Interbuild 07. Prooving to be an extremly popular and inivotive solution to conserving energy, the heater panels are up for ‘New & Eco Product Award’.
To register yourself for the show, saving you £20, click here and fill out the form.
Please drop by our stand and say hi. Our stand number is 03/3A-M55
We look forward to seeing you. |
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June 2008
Tile and Stone Show
Marmox exhibited at The Tile and Stone Show. |
We would like to thank those who came and visited us at this years show.

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June 2008
Tile and Stone Show
Marmox will be exhibiting at 'The Tile and Stone Show'. |
We are happy to be attending 'The Tile and Stone Show' from 29th June - 1st July '08.
Free tickets available from the official show website which can be found via the link below.

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December 2007
KBB
Marmox will be exhibiting at the KBB '08 show, NEC - Birmingham. |
We are pleased to confirm that Marmox will be exhibiting at the next KBB show in the NEC - Birmingham and are look forward to this exciting and promising show. We are hoping to see many new as well as familiar faces during the 4 day event (2-5th March '08).

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November 2007
INTERBUILD
Marmox had a very successful showing at Interbuild '07 |
We would like to thank the many people who took the time to visit us at our Interbuild 2007 stand. The show was a great success for us and we are looking forward to working with many people whom we met over the 5 days.
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October 2007
SHEAR BOND STRENGTH
Marmox - Suitable when using LARGE or HEAVY TILES |
In response to the growing trend of using heavier and bigger tiles, Marmox board has been independently tested by a major UK test house to determine the maximum shear bond strength. Using an appropriate tile adhesive, it has been shown that Marmox board can hold in excess of 60kg per square metre.
Compare this to plasterboard where tiles should weigh no more than 32kg per square metre, plywood should take no more than 30kg per square metre and one well known tile backer board recommends that tiles should weigh no more than 50kg per square metre.
With these results it clearly proves that when hanging tiles there is nothing better than Marmox board for the job. |
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October 2007
THE TILE ASSOCIATION
Marmox UK Ltd is now part of The Tile Association |
 The Tile Association represents all aspects of the wall and floor tile industry in the UK, from manufacture to installation. It was formed in January 2000 when, for the first time, the tile industry was united in one association. It now has nearly 700 member companies across the UK.
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October 2006
UNDERFLOOR HEATING
Marmox Board verses Plain Polystyrene – THE FACTS |
Polystyrene suppliers have been claiming that, when used in conjunction with under tile heating systems, the reinforcing of Marmox tile backer boards has no advantage over plain polystyrene. We have carried out comparison tests on both products, the results of which are listed below and are certified as correct by an independent Scientific Research Institute.
10mm EXTRUDED POLYSTYRENE |
|
Max Load |
Max Fibre Stress |
Load at Break |
Flexural Strength |
|
(N) |
(Mpa) |
(N) |
(Mpa) |
Sample 1 |
3.51 |
0.29 |
3.51 |
0.29 |
Sample 2 |
4.33 |
0.35 |
4.33 |
0.35 |
Sample 3 |
4.37 |
0.36 |
4.37 |
0.36 |
Sample 4 |
3.44 |
0.28 |
3.44 |
0.28 |
Sample 5 |
3.64 |
0.30 |
3.64 |
0.30 |
Sample 6 |
3.41 |
0.28 |
3.41 |
0.28 |
Average |
3.78 |
0.31 |
3.78 |
0.31 |
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10mm MARMOX BOARD |
|
Max Load |
Max Fibre Stress |
Load at Break |
Flexural Strength |
|
(N) |
(Mpa) |
(N) |
(Mpa) |
Sample 1 |
64.14 |
5.29 |
24.39 |
2.01 |
Sample 2 |
46.37 |
3.83 |
16.59 |
1.37 |
Sample 3 |
57.44 |
4.74 |
19.51 |
1.61 |
Sample 4 |
46.38 |
3.83 |
28.29 |
2.33 |
Sample 5 |
64.13 |
5.29 |
32.20 |
2.66 |
Sample 6 |
50.84 |
4.19 |
28.29 |
2.33 |
Average |
54.88 |
4.53 |
24.88 |
2.05 |
As shown in the tables above, plain extruded polystyrene has very poor flexural and impact strengths. This causes problems when used in conjunction with underfloor heating because it cracks very easily, even when subjected to small loads, impacts or floor movements. It will crack before, and/or after heating elements are installed.
Over a period of time, stress on the floor causes delamination of the floor tile adhesive both above and below the polystyrene. There is also a great risk of damage by point loads across all the tile joints. In both cases damage to heating wires is inevitable. A broken tile will cause damage to the heating element.
Marmox Board has a fibreglass mesh embedded in a cement polymer mortar covering each face. This is becoming the industry standard board for using with underfloor heating systems, it holds many advantages over plain polystyrene. Marmox board can withstand nearly 15 times the maximum weight load as that of Plain Polystyrene and has considerably higher flexural and impact strengths. All of which contributes to complete avoidance of cracking risks and its consequences.
It is well known that polystyrene, whether expanded or extruded, will distort when subjected to different surface temperatures on either face. This will definitely occur with a heating element on one face and a cold concrete slab on the other. Marmox Boards fibreglass and cement polymer adhesive minimises such distortion to an imperceptible degree and ensures maximum adhesion to the substrate. We state the use of a mesh tape over all joints to reinforce them, this fully protects the edges of the boards from point loads over the whole floor surface area.
Another thing to take into consideration is that plain polystyrene has poor adhesion properties to traditional cementitious tile adhesives. Therefore, this will always necessitate the use of high quality, more expensive, polymer modified adhesives.
Marmox Board is classified as class 1 fire rating and 8.1 fire propagation, which combined give an overall Class O fire rating, as verified by the Building Research Establishment. XPS would melt immediately when subjected to a temperature of more than 75 ° C.
Some polystyrene suppliers state that there is no need to reinforce polystyrene when used in an underfloor heating system, clearly from the evidence above this information is incorrect. Marmox Board has 7 times increased flexural strength, increased adhesion between board & substrate, which eliminates delamination. Providing the undertile heating system is installed correctly, Marmox Board WILL NOT fail. However, due to the increased probabilities, plain polystyrene WILL fail, in time, even if laid properly.
Since the cost of installing Marmox Board with underfloor heating, when compared to using XPS, might be marginally greater; why use a weaker product with inferior characteristics and take the risk of failure and its related remedial costs. By using Marmox Board it will prove to be ultimately less expensive.
Marmox Board vs Extruded Polystyrene |
Product |
Flexural strength |
Adhesion to traditional cement. tile adhesive |
Coefficient of linear thermal expansion |
Linear Modulus of Elasticity |
Fire rating & propagation
B.S. 476 |
Marmox Board |
2.05 N |
Not less 0.3 N |
30 x 10 -6 |
500 N |
Class 1 (part 7)
I = 8.1 (part 6) |
XPS |
0.3 N |
Less 0.05 N |
70 x 10 -6 |
180 N |
Starts to melt at 75 ° C |
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