hi ive fitted loads of full stick down wood floors for the company i used to work for but have never got involved in the screed testing side, now ive started my own company ive been asked do a labour only full stick down job the customer had a new screed layed 6 months ago ( 180 mm )ive explained to then about dring times but they want a test done as the builder says its compleatly dry so going to put a f balls digital hygrometer down on wednesday ive spoken to the manufactures of the wood ( v4 wood flooring ) about what readings i should be looking for and they were really helpfull and just told me it had to be dry, no s@*t a muppet should know that, so i need your expert help what % reading should i be looking for before a dpm has to be put down
75% rh and below is british standards but they are wrong for wooden flooring! For wood it needs to be below 65% that will take a very long time and not possible if the humidity of the house see's 65% The new rules for wood flooring is to install a epoxy dpm on EVERY wood flooring install.
and I recommend you switch suppliers for the wooden floors in future ;-) Epoxy DPM has its own tolerance too - so do check if the concrete/screed is dry enough for the liquid DPM to work properly (too high moist = failing DPM)
thanks for the advice, customer has been on the phone today saying she really doesnt understand how i can say its prob still wet when they have been walking on it :roll: wood you like the suplier is nothing to do with me they got the wood from another company just got me to fit it as the other company has noone that fits wood
the problem is the customer went to this ''flooring shop'' in our area that stocks and sells everything and thats it no fitters or fitting service they just take the money for the stuff and wave people out the door with materials and a list of phone numbers of sub contractors to fit what they have brought at the customers expence and risk that the phone numbers are for reliable experianced fitters, which they are not all good fitters or even fitters at all i think there is only 4 or 5 fitters the others include a taxi driver 3 handy men and a couple of poles who dont even speak much english which is really annoying as us fitters dont get a lot of the work as our prices are to high but i was always told you get what you paid for
Re: moisture test wood flooring Sounds to me like you are doing the right thing . Too many shops are jack of all trades, masters of none and are too keen jsut to sell , sell , sell. That said a few do handle them all well. But too many wood flooring retailers dont know enough about moisture readings and are a danger to their customers.. "It just has to be dry"... Good for the customers you got to fit it and are taking the right precautions.
As is said the installer carries the can if it does go wrong and not the supplier of the goods once it starts to be installed.