They are like a sponge and react very fast to teh moisture above them also. You might have a low rh reading but if teh rh in the air goes up then so will teh RH of teh subfloor. Also, if 121 primer and a cement based compound is ok, well why do we have anyhdrate smoothing compounds? ummm....
Update: just screeded a 150m floor with eco prim T & K11 as it was a concrete floor with water u/f heating Laid 11 boxes of planks and noticed a blown bit at the front door Had a look, around 2m2 just fell away Straight away alarm bells are ringing, called up the client 'are you 100% sure this is a concrete mix'? err, i think so was the reply 'No missus, i asked you at the initial consult & you said it was'. Turns out its an anhydrate floor So 150m of screed has to come up along with 11 boxes worth of planks, grind the floor and start again! bl00dy pain in my a$$ trying to see what i can do to keep the cost down for them, involving favours from reps and the like not happy But i wont walk away from the job, im not like that so will do what i can to get them the floor they want without costing the earth in extra labour/materials etc Am looking at finding the cheapest screed that will do the job etc primer - 121 (what others do you guys rate?) Thoughts?
Who grinds an hydrates before priming and succeeding? If you don't it can blow, just another pitfall with the crappy stuff
I put the stones over it before priming and sticking down engineered. My mate put na over one and it popped! He didn't prime it tho.
The people who do the screeding in the first place should come back and take the skin off it a few days later thats part of the process of them laying it apparatnyl, otherwise copper disc job id of thought.
Paper would be better 40 24? I haven't actually sanded it and I'm sure it would make a right mess. I had my mates buffer that's got 4 carb blocks on the bottom and that rubbed it down nicely.
Hi peeps, I got one of these floors in a new build. What is the best way to test this floor with? some say hygrometer some say carbibe bombe? i tried hygrometer and reads at 83 rh but you cant dpm these floors whats best to do? one area is carpet lounge dinner and other area is for vinyl in hall and toliet, floor is a bardon screed higflow s This is in a new linden home. Any ideas? all help welcome please
Apparently you can't test them with hygrometers but I have in the past with varying outcomes!! Think the last one took twice as long to dry as normal and that's with ufh on but went right down to 60 when it did. I tested a 50mm screed after 50 days and there was so much moisture still in it it broke the hygrometer!
Howdy fella, just reading through some old posts and found yours. I have a Bardon high flow to go over, how did you do yours?
