background for tiling a shower

[DHTiling]

Not a case of putting right,, just wrong info passed on... And the question asked to technical was including aqua defence etc..

 

[doug boardley]

.....big sigh of relief here!

 

[dock]

The coverage of Mapei Mapegum 1.5Kg/m[SUP]2 [/SUP]/mm which we consider to be a little too much. Even at this a 2 coat application on to plasterboard will bring down the maximum weight of tiles and adhesive to 29Kg/M[SUP]2[/SUP].

Dock

 

[DHTiling]

Hi dock
What about skimmed Walls?


Sent from my iPhone

 

[dock]

plaster = 20Kg/M2 - 2 coats of Mapegum WPS = 17Kg/M2

dOCK

 

[DHTiling]

Sound, so just a 3kg reduction

Thanks for popping on and clarifying that


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[Rich]

Thank you for clearing that up Dock

 

[DHTiling]

Thank you for clearing that up Dock

Tell you wot rich... wot a chew to get a proper answer..:lol:

Yes it does reduce.. no it does not reduce.. then ye it does but only 3kg.. make ya blinking mind up i say..:lol:

 

[marko56]

Glad you guys have sorted out your issues:lol: I have managed to source some wedi board at a good price - some of the wedi board will come outside of the shower enclosure and won't be tiled - can wedi board be skimmed? Thanks again

 

[DHTiling]

Yes it can, scrim tape the joint


Sent from my iPhone

 

[Rich]

Tell me about it Dave, I was struggling to keep up through most of that!

At least the answer is clear and a good answer at that, shouldn't make a huge difference to how its used, yet another win by the forum, would be well stuffed without it

 

[davebates]

I went to mapei training day and and i can clearly remember them saying that it stays the same ater tanking

 

[dock]

Dave

I will talk to Chris - it can't remain the same as it is weight applied to the board so has to be considered in the overall scheme of things, as does the adhesive.

dock

 

[HardieBacker1]

Marko56,
I have just had a scan through the messages, here are some pointers......

1 - you want to plasterboard and then tank?
2 - you want to load heavy tiles
3 - you looked at backer boards but expensive.

Ok.. to the first one you can just use HardieBacker as 1 its impervious to water so won't breakdown like the plasterboard and 2 you don't need to tank the product.
HardieBacker can hold much more weight than plasterbaord. Our literature states it can hold 50kg m2, we have since done some new testing which has resulted in over 80m2 using a good adhesive.
HardieBacker is not expensive, if you use plasterboard and then tank that will cost more! plus you need the tanking to dry for 24 hours before tiling!

Hope this helps.

 

[doug boardley]

Marko56,
I have just had a scan through the messages, here are some pointers......

1 - you want to plasterboard and then tank?
2 - you want to load heavy tiles
3 - you looked at backer boards but expensive.

Ok.. to the first one you can just use HardieBacker as 1 its impervious to water so won't breakdown like the plasterboard and 2 you don't need to tank the product.
HardieBacker can hold much more weight than plasterbaord. Our literature states it can hold 50kg m2, we have since done some new testing which has resulted in over 80m2 using a good adhesive.
HardieBacker is not expensive, if you use plasterboard and then tank that will cost more! plus you need the tanking to dry for 24 hours before tiling!

Hope this helps.

got to disagree, water can pass through hardie backer boards.