Renovating plaster finish coat

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Hi I've had a room fitted with an injected damp proof course a few weeks ago. I've just replastered the wall with renderlite renovating plaster to a scratch coat.

What plaster do I need to use for the finish coat? Is a normal gypsum based plaster like multi finish ok or do I need a lime based finish plaster?

TIA

 

[Alastairreid]

http://www.sovchem.co.uk/tanking/plasters-renders/renderlite-finish.html

 

[RF Lighting]

Are most builders merchants likely to stock this? My local merchant did not have renovating plaster.