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Discuss lafarge low laitance screed,tiling with 600x600 polished porcelain in the UK Tiling Forum area at TilersForums.com.
Dean reading this thread I am alarmed, how can you put your name to a job where someone else is doing the prep work and you are being forced to use an adhesive that you havent used before and are unfamilar with? you need to put your foot down and do the job the correct way with the correct materials and prep or walk away as all you will be doing is asking for trouble
I can only say what I was told.
Kerakoll hasn't done themselves any favours by the way they have treated their customers. A quick search on here will throw up a few stories, one of which was our very own Dave.
cant see the logic there,when you buy any adhesive your faith is in that company, wether it be bal,mapei,who by the way told me a completely incorrect way,as i discussed with ajax 123,my faith is in myself to do a good job and for a major company to supply a decent product that is up to the job,ok lets say you were doing the job ,tell me what your methods would be,just for example i met natasha the local nicobond rep this week ,so if i use their product am i not putting faith in her too??,whats the difference,we have to use something to stick the tiles to the floor,we have a major company making an adhesive that they say sticks to anhydrate sceeds, as do mapei say the same thing with a primer,which one depends on who you speak to!! same as bal ,same as weber, .....good luck Dean it sounds like you have decided to put all your faith in a sales rep
Just to say, you do not prime with H40, but it does dry by dispersion. I had a failure with said adhesive and got zero back up from kerkoll.
Dean I am not picking an arguement with you just hoping that you dont end up costing yourself a lot of money
I havent tiled a low latence screed but i have tiled hundreds of gypsum screeds when working in Germany over there the screeding company is responsible for sanding off the laitence not the tiler the floors were primed by the tilers with acrylic primer and traditional sand and cement screeds were used in wet areas
I suffered large losses from matting failures so I guess that taking advice from sales reps doesnt give me much faith and given there are several tilers on this forum that have used the kerakol and have had issues with it on flow screeds that is enough for me to say no thank you get some one else to do it
so to answer your question on how would i deal with your job i would prep the floor by using a wire brushes attached to to drive board of my 17inch buffing machine ,I would get the floor moisture tested prior to starting and i would use a gypsum based adhesive , i would insist on using expansion joints as cold expansion joints " silicone joints "do not comply with b.s for heated screeds , if the customer didnt agree to my spec then how can i do the job and give a guarantee ,i would have to decline it
It was with Dural CI. Was told it was suitable. I then found out it did not set hydrolically hence priming to consolidate the surface and then the use of Dural , left no where for moisture to go. I then spoke to bill and this is where I received no further response from them, basically I was left to get on with it.
Gypsum friendly H40. Only because it contains very little cement that can react with gypsum.
The product might well work on a unprimed surface but IMO never again will I have anything to do with them.
At the end of the day, follow to the T what they say and keep your fingers crossed.
Reply to lafarge low laitance screed,tiling with 600x600 polished porcelain in the UK Tiling Forum area at TilersForums.com
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