Defenceless damsel requires solid wooden floor knight

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Unbiased opinon and advice requested please.

I have read lots of posts about laying a solid wood (oak) floor over concrete and remain confused regarding what I've read here and the numerous options available.

The concrete is at least 20 years old and there is no damp. It is covered in vinyl tiles (which I suppose would come up with a bit of work - but do they need to?). However, I am almost sure the concrete is not of good quality as it seems it's a fairly thin layer in the areas we had to hack up to move heating pipes around the edge of the room. There are also a couple of heating pipes running through the concrete.

I wont be doing this job myself and so have had quite a few "professionals" come to give me quotes and cant believe how many different suggestions and varying prices I've had for the job. Each person one has different ideas and advice (and prices) on how to tackle it.

All include levelling the floor if/where required and using a damp proof membrane/underlay combination.

One says the only way to make sure the job is done properly is to "board out" the floor and then secret nail the solid wood (oak) to the board. He wont do it any other way and says this is the only way to make sure there will be no problems in the future with squeaking and creaking or lifting. He says floating the floor or gluing the T & G will cause problems in the future. He is the most expensive quote and wont negotiate a penny on price no matter how fast I flutter my eyelashes! :roll:

Another says it's fine to float the floor without gluing.

Another says it must be glued along the T & G and floated.

Another says lay it this way.. another says lay it that way.

I have the wood already, it is a new range from Wickes The manufacturers guide seems to say you can do what you want with it.. float it.. glue it.. lay it on concrete.. board and nail it.. use metal clips and glue.. build a bonfire..

The room size is 20' x 30' and I wish I'd bought a carpet! Help this poor distraught feeble female PLEASE - what is the best way to lay this floor for a long lasting quality finish?
 
Hope you accept advice from a 'lady knight'?

If you doubt the quality of the concrete, but you have no damp and the vinyl tiles are still stuck down properly and level you can install the floor floating by using a combi-underlayment first (DPM + sound-insulation in one) to prevent any sweating from the vinyl tiles effecting the wood.

Floating a T&G floor means ALWAYS glueing all the T&G's properly.

As your you most expensive quoter: must be the only who he knows how to install the floor, nothing wrong with his method but there are other - with less hassle, extra materials and labour - around and have been for years.

Floating a wooden T&G floor, done properly of course, will cause the least problems in our experiences. But remember, wood is a product of nature, treat it well and be aware of its natural characteristic of adapting itself to the air-humidity in every season by expansing and shrinking. That's natural!
 
Hello woodyoulike.. I'll even take advice from a Jedi knight so long as its correct! :lol:

I've read lots of your posts and know you favour the 'floating' method, but if I do decide to use the method suggested by this fitter, of ply boarding out the concrete floor and then secret nailing the oak to it, what are the type problems could I expect in the future (assuming the fitter does a reasonable job) and what can I do in order to avoid them in the first place? I understand wood moves, contracts and expands but I really dont want to arrive home one evening in six months time and find it has moved so much that it now lives next door with the neighbours!

All advice welcomed.
 
Simple steps:
make sure you have quality wood
make sure the wood is acclimatised
make sure your fitter does a proper job
make sure your house climate stays 'stable': i.e. air humidity between 45 - 65% (in winter it will be low, if too low place some water containers on your central heating to increase humidity, in Spring and Autumn it can be too high, makes sure you ventilate sufficiently)
 
Thanks woodyoulike! I think I've decided to go with the ply and nail method - mainly 'cus I like the fitter - I believe he is a good bloke and has pride in his work - and he's also skinny enough for me to beat up if he messes up on my job! :D

The only thing I still don't understand is this damp proof barrier!

If we are screwing the ply to the concrete floor and then nailing the oak to the ply, why and where would you use the damp proof stuff?

Surely if you lay the dpc on top of the concrete and then screw the ply to the floor then the screws will puncture the dpc. If you put the dpc on top of the ply, then when you secret nail the oak to the ply, the nails will also puncture the dpc!

What am I misunderstanding?
 
If I get an answer to this latest problem.. I'll polish your armour until it gleams like gold! :D

Skinny nice fitter has just been to "test" the concrete floor and says the concrete is very poor (crumbly) and also only about two or two and a half inches deep. We have also become aware that there are more central heating pipes running through the concrete floor than we originally thought and for some reason these pipes go all over the place at different angles! (We can feel the heat from the pipes with our hands and a 'pipe detector' (whatever they are called) has also picked up pipes where we thought there were none.

Fitter now says he doesn't want to screw fix the ply boards to the concrete because of the poor quality and the numerous pipes and he now wants to use "battens" fixed to the floor (as this will reduce the risk of hitting a pipe as far less screws will be used) and then secret nail the oak to the battens.

Is this OK?

This "batten" thing doesn't "feel" right to me.. but hey.. what do I know? :oops:
 
He could indeed place battens and secretly nail the Oak boards to it, but do you know Murphy's Law?

Our recommendation in these circumstances would be to install the wood floor floating. Install underlayment and glue all T&G's.
 
Just thought you might like a bit of an update. Floor now laid - on battens and secret nailed. Looks fabulous - no creaks or squeaks and I'm very pleased I didn't have to kill the skinny fitter! Hopefully everything will remain fine.. we will see.

Just wanted to say a big thank you to the knightess in shining armour for all her help and patience.

Thank you, Wood You Like for all your replies!
Sincerely

Far Less distressed Damsel! :D
 

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