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De coupling Mat


Pocster

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Will be installing this soon .

As some of my floor is screed and some marine ply do I just apply the mat across both ? . As you can see there are a few gaps and the marine ply is a few mm lower than the screed .

What should I fill the gaps with ?

Should I ignore the slight height differences across the different floor materials and just lay the de coupling mat straight across ?

 

thanks in advance!

DAF0338C-86E2-4AA7-BE57-89B81F34249B.jpeg

348EDE5C-C29A-4BBE-B360-D7EF3E78C4AD.jpeg

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1 hour ago, pocster said:

Will be installing this soon .

As some of my floor is screed and some marine ply do I just apply the mat across both ? . As you can see there are a few gaps and the marine ply is a few mm lower than the screed .

What should I fill the gaps with ?

Should I ignore the slight height differences across the different floor materials and just lay the de coupling mat straight across ?

 

thanks in advance!

DAF0338C-86E2-4AA7-BE57-89B81F34249B.jpeg

348EDE5C-C29A-4BBE-B360-D7EF3E78C4AD.jpeg

You can use tile adhesive 

But let it set before you put your 5 mil adhesive down for your Ditra 

Ardex for the ply 

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3 minutes ago, nod said:

You can use tile adhesive 

But let it set before you put your 5 mil adhesive down for your Ditra 

Ardex for the ply 

So ‘skim’ tile adhesive over gaps and marine ply to make a nice level surface ?

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20 minutes ago, pocster said:

So ‘skim’ tile adhesive over gaps and marine ply to make a nice level surface ?

Yes 

When using matting always do the levelling before the matting goes down 

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41 minutes ago, nod said:

Yes 

When using matting always do the levelling before the matting goes down 

Ahhh ! . Ok . Tile adhesive to ‘level’ it will only be a few mm thick . Not going to crack or anything is it ?

Guess I should pva the marine ply before applying the adhesive?

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On 10/04/2020 at 18:02, Oz07 said:

I thought he said ardex to self level then stick matt down with tile adhesive 

Yes @nod please confirm .

 

So SBR ply 

Then Ardex to level ply with screed : which Ardex product ?

 

Then when all dry de coupling mat on top.

 

 

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1 hour ago, pocster said:

Yes @nod please confirm .

 

So SBR ply 

Then Ardex to level ply with screed : which Ardex product ?

 

Then when all dry de coupling mat on top.

 

 

Ardex adhesive to stick the matting to the ply 

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