Thanks for the advice, what is PVS & PVA? Where can I buy it?

Thanks again

John.


The Natural Philosopher wrote in message ...

My advice FWIW.

lift all tiles and as much of anything that comes away easily as you can.

Treat the whole floor with a dousing of thinned PVS, execpt the really
loose stuff. Here use full strength PVA. This will bond all the loose
stuff together.

Then use levelling and smoothing compund on everything - don't attempt
(unless you have 2" deep big holes) to use a normal cement screed.

Be aware that self leveling compund isn't self levelling. You need to
float it on if you can. you may need tow goes useing a long sitrit level
to detntify any hollows and fill them. A uniformly flat surface is more
important than a dead level one.