Adjudication and BS5385 for bad tiling work

[Ajax123]

interesting thread. BS5385 only covers the tiling. It does not cover screed design nor underfloor heating. Why is your reliance entirely on the tiling standard yet you are blaming the screed for the failure. Surely you need more information available to you.

As fot the architect taking the rap - if the builder knew it was wrong why did he build it.

 

[Colour Republic]

As fot the architect taking the rap - if the builder knew it was wrong why did he build it.

Because he might have been following the architect's instructions, I've questioned specs before and been shot down, along the lines of "If you won't do it we'll find someone who will" and if you're on site you grumble your displeasure and right or wrong you sometimes get on with it but not before you get it in writing.

 

[Ajax123]

Because he might have been following the architect's instructions, I've questioned specs before and been shot down, along the lines of "If you won't do it we'll find someone who will" and if you're on site you grumble your displeasure and right or wrong you sometimes get on with it but not before you get it in writing.

I appreciate that Colour - my point was not well worded. What I was trying to say was both should share the rap on this. The architect for incorrectly designing the screed and the builder for building it. Of course if there is evidence that the builder has bought the design deficiencies to his attention and been ignored then so be it.

I guess what I am saying is that to find someone "guilty" in this I would need much more information than has been stated.

It could even be argued that if the tiler knew the screed was incorrectly designed then he should not have tiled ..... etc etc

 

[Colour Republic]

I appreciate that Colour - my point was not well worded. What I was trying to say was both should share the rap on this. The architect for incorrectly designing the screed and the builder for building it. Of course if there is evidence that the builder has bought the design deficiencies to his attention and been ignored then so be it.

I guess what I am saying is that to find someone "guilty" in this I would need much more information than has been stated.

It could even be argued that if the tiler knew the screed was incorrectly designed then he should not have tiled ..... etc etc

I agree and I believe the builder has held his hands up and admitted to his proportion but will not take full responsibility. But the architect has protected himself already, although really it sounds like the problem originated from them. The customer has been forced to go for the builder as the next in line and if he manages to defend himself it goes further down the line. Of course the customer is well within their rights to get the situation rectified as none of this is from any wrong doing on their part.

 

[Pebbs]

Ajax, can I ask you a question? what is the maximum amount of screed m2 at 50mm that can be completed in 8 hours? with no additive? Ground floor so no carting it up a few floors.

Pebbs

 

[Ajax123]

Ajax, can I ask you a question? what is the maximum amount of screed m2 at 50mm that can be completed in 8 hours? with no additive? Ground floor so no carting it up a few floors.

Pebbs

Depends on how quick you are at laying it, how you place it e.g. pump or wheel barrow etc, the quality of the screed, cement content etc. Also affected by actual supply to the work site i.e. if it is site mixed you need the mixers to keep up with the layers and vice versa.....

Also bear in mind that if it is a simple sand cement screed generally the minimum depth floating on insulation should be 65mm and not 50mm. If it is either unbonded or "partially bonded" i.e. straight onto an unprepared concrete slab then 50mm is fine as the minimum depth.

All that said I would probably aim for maximum of about 150m2 but realistically if you are asking the question as you are not sure how much you would ba able to do yourself it implies that you are not a screeder as such and you should cut this meterage down quite a bit. I have seen some screeders capable of laying 200m2 in a single day but that is going some IMO and takes practice and organisation.

I have not laid sand cement for several years. Last time was when I did my Kitchen on my own. About 25m2 mixed myself and laid myself at about 80mm and took about 9 hours altogether. A labouror would have cut the time in half at least.

Hoep that helps

Oh by the way if it is Gyvlon you could lay 1500 to 2000m2 in a day at 50mm.

 

[DHTiling]

Oh by the way if it is Gyvlon you could lay 1500 to 2000m2 in a day at 50mm.

I can vouch for that.. just saw about 80 mtrs + go down in a crack today.

 

[Ajax123]

I can vouch for that.. just saw about 80 mtrs + go down in a crack today.

that sounds just wrong on so many levels Dave - more especially so on a thread about cracked screeds and tiles :lol::lol::lol:

 

[DHTiling]

😳.......:lol::lol::lol: