Gervase
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- Messages
- 1,500
- Location
- North London
bournonite said:...whether to use nhl2 or 3.5, whether to use a putty top coat or finish with rubbed 3.5 etc., is a long process of trial and experience.
I'm intrigued - in what sort of situation should one use a plaster made from NHL2 or NHL3.5?