Anhydrite moisture testing, putting some ideas to you Trusted People

[Ajax123]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

I have And its an awful job ,even with a dustex hoover and preseperator drum you will still be covered head to toe in fine white powder sanding off an anhydrite

Well sorry Gary but you must be doing I wrong...

 

[bugs183]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

There was no airbourne dust with the Raimondi Maixtitina, it runs a low speed, so doesn't belt out dust, it just lies on the floor that was easily swept up.
Sorry Sir amic i didn't answer your question, they hired it from Trimline, it wasn't cheap, i think they're about a grand to buy.

 

[The D]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

Well sorry Gary but you must be doing I wrong...

And hear in lies the problem no mater what we do one of you tells us we are doing it wrong even when we are doing it the way we have been told to do it :mad2:

 

[The D]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

There was no airbourne dust with the Raimondi Maixtitina, it runs a low speed, so doesn't belt out dust, it just lies on the floor that was easily swept up.
Sorry Sir amic i didn't answer your question, they hired it from Trimline, it wasn't cheap, i think they're about a grand to buy.

was you sanding to remove laitance or was it just to prep the floor???

 

[Colour Republic]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

Responsibility... hey welcome to my world where I’m responsible for everything. Sometimes it's a pain in the arse but for the most part I know things get done right as if it doesn't I’m still the one who will have to deal with it!


You're either not willing to take the responsibility and walk from the job.

Or you do take on the responsibility and do it to your own spec and satisfaction but the key is to charge well for it. For example I can get a basement damp proofed for £1k but if I want a ten year guarantee to go with that then I’m looking at £7k. These tests should be the same, the charge shouldn't relate to how long it took to do, it should relate to how much of your balls you've put on the line (that includes Lynn as she has bigger balls than most of us).

The cost of these tests should be put to whoever is asking you to do it. You want to do the test or you’re not taking responsibility, if the HO or builder won't pay then they are quite within their rights not to and they then take the responsibility. They can go and find someone who will tile it regardless and if it fails it's all down to them to sort out amongst themselves.

For me, no matter what, I carry out works to a spec I'm happy backing and at the cost I need to charge for that or I don't do it. I can't complain that others will cut corners and cut costs, there will always be someone else waiting just round the corner. All I can hope for is educating the customer as to why the works need to be carried out like that and the cost implications but ultimately it's their call.

I get faced with problem substrates everyday, their is always a solution, some cheap, some expensive. It is was it is.

I know multi-trades get a bad name from some but it is exactly this reason why I choose that path and keep everything in house from start to finish. No unexpected surprises.

 

[Colour Republic]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

Well sorry Gary but you must be doing I wrong...

Doing it wrong, or doing it with the wrong tools?

I have sanders that can fill a room with dust in a split second, I also have sanders and extraction that are 98% dust free

 

[Gazzer]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

While I am aware of machines that will sand the floor with little dust, they are another expense.....add this to your quote for the job and the tiler is the bad guy again.
These machines are not exactly easy to get or hire around our way. I have been into hire shops and specifically asked for a certain type of machine. I get looked at as if I have just parked my spaceship outside. The other point is that these machines are great for larger areas, not for when they have the kitchen already fitted.

This is another cost that the one man band tiler cant afford.

 

[Ajax123]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

If you want highly controlled and very accurate precision don't use a sander use an enclosed shot blasting machine. These are cheap enough to hire (last time I hired one it was £80 for the day plus I think it was fifty pounds for the shot) these are like a amall vaccuum cleaner with an oil drum sized dust collector attached. I hired it from South Wales for a job in the midlands. It was very much faster than sanding as well and perfectly acceptable for removing laitance or to prep the floor for tiles.

 

[Pebbs]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

Heres my take on these screeds, whether we like it or not, there's going to be a lot more around, so we have to get our heads around how to deal with them. Its already hit the commercial side, and it will hit the private side sooner rather than later.

For me its been a bloody nightmare, I do not have a clue when I secure the contract what the substrate is going to be. It can start of as one thing on the drawings then when you get on site, because they are behind with the programme its now this.

No I do not price for the sanding and priming, I was never asked to price for it, and why the hell should my men be expected to do this, when they are already under the cosh to get the contract finished. You wouldn't tile over bonding plaster would you? (don't you even go there with a smart answer). That surface should be prepped and made ready by the screeders, they should be the ones who take the responsibility for handing it over ready to go on.

You want to do it, fine but there's a cost implication, not one of you is running a charity, you get nothing for nothing. Im am fed up with contracts managers telling me aww theres nothing to it...yes there is a lot to it, because you mess up, who are they going to be gunning for? There has to be some training available, because as it stands at the moment, there is for me to much conflicting information, and I don't know what the hell is going on.

Aww I feel better for letting it out.

Lynn

 

[bugs183]

Re: Anhydrite moisture testing, putting some ideas to you Trusted Peop

Too right lynn.
I spoke to my local lafarge rep and as usual its the same vagueness. He re kons the screeder should add sanding as an extra cost and told me all the methods of testing, but couldn't tell me whos job it was! There is zero training around or anyone who has been assigned to putting our fears and the rest of the flooring trades at rest, it really is get on with it lads, it'll be ok mmmmmmm.
I'm hoping that my next anhydrite job which i will recommend Creative Solutions GBTA and its primer. I'll do some tests again and let you all know. At the moment this does appear the last ray of light adhesive wise.
If this adhesive proves to have no decent bond with porcelain as the other have shown then i'll be going down the ditra stuck with gypsum adhesive and a cement based adhesive above. Its not my fault it'll cost more, i certainly won't tile porcelain direct to these screeds, regardless of what the reps tell us.
Flooring is 90% of my work and as lynn says where does the buck stop?
i know i can tile to these screeds with ditra but someones gonna have to pay!