15-12-2019, 07:58 PM
Jamie, we usually use Cuprinol or Ronseal products. Spirit-based preservative will take perfectly happily on well-dried timber that's previously been treated with a water-based products, but you may have problems the other way round.
You'll almost certainly have to go to a proper builders' merchant for spirit-based preservative. DIY stores only sell nasty water-based stuff!
You'll almost certainly have to go to a proper builders' merchant for spirit-based preservative. DIY stores only sell nasty water-based stuff!