Reclaimed timber floor - laid on concrete

11 Aug 2009
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United Kingdom
i was looking for some advice on laying a recliamed timber floor on to an existing concrete floor. The timber is Iroko and is 7/8" thick T+G width 2-1/2". The concrete floor is old (+50 years) with no DPM. Room size is 8m x 4m. I've laid quite a few wooden floors in the past but never on concrete. The questions i have are:-

The reclaimed boards need to be cleaned to remove the dust/sawdust and varnish from the T+G faces. I can do this with a chisel/craft knife but it's slow going. Are there any suggestions to speed this up e.g. using Nitromors etc to make remove easier?
The concrete floor needs leveled. I was considering using cement to infill the low spots and then leave to cure for several months as i believe that the screeds are often not to great at self levelling leaving a lot of remedial work to do. Will a cement screed suffice provided i leave long enough to cure fully?
I want to seal the concrete slab to prevent moisture reaching the timber floor. What products would be recommended?
Finally i am looking for a recommendation for timber to concrete adhesive i can use to glue the timber to the concrete floor.

Any advice gladly received!
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Why not cross baton on to the floor and consider nailing the floor surface to the batons which will (obviously) be suitably fixed to the sub surface ?
If you baton you can wedge out the floor undulations to give a completely level surface, packing wedges that plaster board fixers use will do.

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