How to get PolyPipe PEX to bend out of shallow screed behind kitchen units?

ToastyToes · 11 Mar 2019

I've ran two 15mm PolyPipe pipes which will be buried in about 45mm screed. My problem is that I can't get the pipe to bend enough to allow it to come up out of the screen nearer to the wall.

At the moment the pipe will end up coming out of the screed about 15cm from the wall which is no good as the washing machine will be in the way.

Is there a way (without elbows in the screed) to get the pipe to flex more of a 90 degree bend to get it to come out of the screed closer to the wall?

Thanks chaps

RED LINE = Screed Level
ORANGE CIRCLE = Floor exit point

Lower · 11 Mar 2019

I'm guessing you don't want to use elbows to avoid the risk of a leak at a later date.

if so, you could always trench the subfloor so that the bend in the pipe is lower down and therefore the pipe comes out of the screed closer to the wall.

Madrab · 11 Mar 2019

Is that bend as tight as a cold former will give you?

ToastyToes · 11 Mar 2019

Lower said:
I'm guessing you don't want to use elbows to avoid the risk of a leak at a later date.

if so, you could always trench the subfloor so that the bend in the pipe is lower down and therefore the pipe comes out of the screed closer to the wall.

I thought about doing this but it's a lot of work as I don't have the right tools to trench it out. Thanks though.

Madrab said:
Is that bend as tight as a cold former will give you?

I just bought a few of these to try it out... hopefully it works well! Thanks

Bodgedbuild · 9 Jul 2019

Just bend the pipe to run horizontal along the wall and then up. Looking at your picture, lay the pipe over to the left using as shallow a bend as desired so it runs parallel to the wall and then bend it upwards....

Madrab · 9 Jul 2019

Bodgedbuild said:
Just bend the pipe to run horizontal along the wall and then up. Looking at your picture, lay the pipe over to the left using as shallow a bend as desired so it runs parallel to the wall and then bend it upwards....

Hopefully they managed to get at least that bend done, in the last 4 months

Bodgedbuild · 9 Jul 2019

The speed my builder worked at, the pipe would still be "as is".....Only posted because others might find it useful

Madrab · 9 Jul 2019

Bodgedbuild said:
Only posted because others might find it useful

For sure & wasn't having a dig .... was just mentioning it as it happens all the time that sometimes newer contributers don't realise that a post they are replying to is pretty old and its all probably done and dusted by now

bt0558 · 21 Dec 2021

Bodgedbuild said:
The speed my builder worked at, the pipe would still be "as is".....Only posted because others might find it useful

Indeed Bodgebuild, i just found it very useful.

Thankyou

Brian

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How to get PolyPipe PEX to bend out of shallow screed behind kitchen units?

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