Retro fit ufh & Hydrogen gas causes floor failure.

[Old Mod]

Hope so mate, lovely people, don't deserve a raw deal.

 

[Time's Ran Out]

Top man!

 

[LM]

"No exspansion joints needed" says the tiler??? Really!!!

 

[Mark Frost]

Not a wunda-full job to have to sort out

 

[Mark Frost]

I've never come across one of these ufh systems.. should you slc over the pipes first like we would normally?

 

[Old Mod]

Ok for those who really want to get their geek on,
@impish @LEE MAC

Here's some technical explanations of the effect of aluminium coming into contact with Portland cement.
These extracts are taken from an American site, where this information was also posted.



If any budding chemists on here want to have a go at enlightening the rest of us, it'd be appreciated.

 

[Old Mod]

I've never come across one of these ufh systems.. should you slc over the pipes first like we would normally?

That is an option Mark, yes, but you MUST prime prior to levelling.

 

[One Day]

That is an option Mark, yes, but you MUST prime prior to levelling.

Even if you use a gypsum based leveler?

 

[Mark Frost]

That is an option Mark, yes, but you MUST prime prior to levelling.

On that stuff two coasts of Multi Surface Primer (treat the aluminium as a tile surface) would be appropriate?

 

[Old Mod]

Even if you use a gypsum based leveler?

Well that's a question we have asked and are waiting a response on Mark.