Polypipe (Fixed Overlay) UFH

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Polypipe (Fixed Overlay) UFH

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AliGage

AliGage

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Peterborough, England
Evening guys and girls,

Neen out in the van this evening, away with my thoughts and was pondering over a job I have coming up in 4-6 weeks time.

It's a bungalow that will have the UFH mentioned in the title over-layed on all floors. To be tiled in 600x400 honed and filled travertine.

Here's a link to the UFH system:

Overlay Underfloor Heating

What prep, if any would you do prior to fixing?
 
AliGage

AliGage

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Arms
Subscribed
527
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Peterborough, England
Yes. See this is the thing. I see no advantage to using ditra straight over it. Certainly actually that there would be none.
There's no real necessity to SLC it. Infact putting SLC or rather boarding and SLC forces the use of ditra.

I always insist on a decoupler over any UFH, definitely when it's stone.
But im struggling to find a reason to do any of the stuff I've done as a rule in the past over this board.

It's also the builders opinion none is necessary and I'd hate to have to agree with him!!
 
R

Rizzle from the Portizzle

well working on this now 5 mm fibra self leveler heres some picks with the blakne mat testing how much flex it gives the make up of the matting will allow the heat to pass through very easy make sure the system is at least 5bar pressure with cold water before you self level
 

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O

Old Mod

Sorry wasn't making myself clear Ali
What I was trying to say was, that in order to be able to use SLC, It has to be boarded first.
That's if you were to follow their recommendations.
I just wanted to remind u that Tracy's was Polypipe, and u knew we were unable to SLC straight over it.
That way I didn't have to outwardly disagree with Bri! :D
Whether their method is right or wrong, we certainly know what we did, works.
It's been almost 18months now and I saw Tracy only the other week, and u know she would of said something if their were any problems. :)
 
AliGage

AliGage

TF
Arms
Subscribed
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Peterborough, England
Agreed @3_fall it worked. But we had to be able to SLC that because of how badly the boards were put in in the first place.

@Chalker so if these boards were fixed to the substrate, they were level and good to go without needing any over boarding or slc. You would still use ditra? If the only thing you anticipate the stone expanding, what you using the ditra for?
 
O

Old Mod

AliGage said:
Agreed @3_fall it worked. But we had to be able to SLC that because of how badly the boards were put in in the first place.
Click to expand...

Yes Ali I know, the only point i was trying to make was that Polypipe won't agree to latex over their pipes!
That's why I explained myself this morning.
I wasn't suggesting your preparation, I was saying if u were to use those components on your floor they would need to be applied in a different order!
According to Polypipe.
Other UFH companies are happy for SLC to go on to their pipe work.
And I'm sure TTA recommend a decoupler be applied to a stone floor no matter what substrate.
 
R

Rizzle from the Portizzle

3_fall said:
Yes Ali I know, the only point i was trying to make was that Polypipe won't agree to latex over their pipes!
That's why I explained myself this morning.
I wasn't suggesting your preparation, I was saying if u were to use those components on your floor they would need to be applied in a different order!
According to Polypipe.
Other UFH companies are happy for SLC to go on to their pipe work.
And I'm sure TTA recommend a decoupler be applied to a stone floor no matter what substrate.
Click to expand...
so how many tilers work for poly pipe or any other wet uth company .so how have they gained there knoledge .how many diffrent tiles have they tested and adhesives decouplers .none would be my guess. leave it to the tile test dummys .next time ask for a copy of there test reports.on the tiles adhesive decouplers .they have tested .could be a long wait
 
O

Old Mod

Ray TT @ Porcel-Thin said:
so how many tilers work for poly pipe or any other wet uth company .so how have they gained there knoledge .how many diffrent tiles have they tested and adhesives decouplers .none would be my guess. leave it to the tile test dummys .next time ask for a copy of there test reports.on the tiles adhesive decouplers .they have tested .could be a long wait
Click to expand...
Don't disagree Ray but without their instructions how can I cover myself!
 
R

Rizzle from the Portizzle

3_fall said:
Don't disagree Ray but without their instructions how can I cover myself!
Click to expand...
you cant with them or with out them .but you do if you are working from there test results .if they have none .its a game of roulette .all you can then do is take pictures as you go along showing prouducts used with a time and date copy of news paper will do should match up to dates on job .
 
O

Old Mod

Well I always take extensive photographic evidence of everything I do as a matter of course Ray, so that's a good thing.
We are always the ones faced with the impossible, but I do everything I can to at least give myself half a chance, if it comes to a fight!
That's all I know how to do.
I'm completely self taught, not a single letter to my name, just my wits!
 
C

critch

TF
1
48
abbots langley hertfordshire
Hi guys thought I'd get involved in this debate. I've not posted on here for a few years. I've tiled over polypipe several times now in the last two years and I questioned it durability because at first it seemed like a floored product in the way of it being
A, a floating floor
B, the fact you where tiling straight onto plastic heat pipes that are routed to within 5mm of the bass of the boards.
None of it seemed right but I've always gone with 6mm Hardie overlay then Ditra over that regardless of the tile be it porcelain of natural.
 
O

Old Mod

critch said:
Hi guys thought I'd get involved in this debate. I've not posted on here for a few years. I've tiled over polypipe several times now in the last two years and I questioned it durability because at first it seemed like a floored product in the way of it being
A, a floating floor
B, the fact you where tiling straight onto plastic heat pipes that are routed to within 5mm of the bass of the boards.
None of it seemed right but I've always gone with 6mm Hardie overlay then Ditra over that regardless of the tile be it porcelain of natural.
Click to expand...
Thanks critch, thanks for getting involved again!
Do me a favour tho mate, don't wait another 5 years before you post again! haha
 
U

Uheat - Neil

AliGage said:
Evening guys and girls,

Neen out in the van this evening, away with my thoughts and was pondering over a job I have coming up in 4-6 weeks time.

It's a bungalow that will have the UFH mentioned in the title over-layed on all floors. To be tiled in 600x400 honed and filled travertine.

Here's a link to the UFH system:

Overlay Underfloor Heating

What prep, if any would you do prior to fixing?
Click to expand...
Good afternoon , we stock a range of under tile systems that would be ideal , and can give great discounts to forum members..Shop Online - Warm Water Underfloor Heating - Underfloor Heating Kits - uHeat - http://www.uheat.co.uk/underfloor-heating-kits/?sort=priceasc
 
B

Bill

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