Nice to have people like this who bothers for others need..very useful one...

it satisfies most of the needs..

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thank you very much for the detailed response. Your advice is great and answers my question! The floor is in pretty good nic already.

Cheers

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hi jon

there are two ways of going about this depending on the condition of the floor and on the materials that were used to construct the floor.

the problem with sanding a floor using an industrial floor sander is that, if it has been done before a few times, it can go too deep into the floor either causing the tongue/grooves to become thing and split away (in the case of a tounge and groove strip floor) or go into the plywood and start to delaminate it.

any sanding should be just enough to get rid of the existing coating and any grease/dirt etc which is embedded in the floor - probably use about an p80 sanding paper on an industrial machine, perhaps slightly more course if the flooring timber is extremely hard

if it is a timber floor, you should get rid of all the previous coating if it does not fully cover the floor

if the floor is in relatively good condition and does not have a thick layer of varnish or similar paint finish, hire a large floor polisher and put on a couple of heavy duty scouring pads, similar to plastic pot scrubbers.

if it has a good coating of varnish, use this method only lightly polishing the floor and cleaning it up. depnding on the result you may not have to do any more

use a little water in assisting to clean the floor - you will end up with  paste of all the dirst and loose material. clean that off after you complete the job

in both cases, once you have done the job and it has totally dried out (in the second case) ...

if it is a solid timber tongue and groove or parquetry floor, coat it with one coat of tung oil product. most of that will soak into the floor and provide a seal against the sweat etc that will inevitably fall onto the floor. it will not produce a high gloss finish, but it will be a very playable non-slip surface

if it is a sheet floor, probably obtain a non slip paint product from your local hardware store or paint supplier. often  some form of paving paint is the way top go.

because there are a lot of variables, it is sometimes hard to give very specific advice. tell me more if what i have provided here does not satisfy.

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