Farrow & Ball Multi Surface 5L Dead Flat Smelt Black No.G18 Acrylic primer undercoat this water-based wood preservative is

this water-based wood preservative is suitable for use on interior and exterior untreated timber

Can also be used as a finish surface filler

1x 1L Zinsser Bulls Eye 123 Primer Sealer to suit your chosen topcoat colour

satin top coat for coloured Osmo Decking Oils

Micro-porous

Farrow & Ball Multi Surface 5L Dead Flat Smelt Black No.G18 Acrylic primer undercoat this water-based wood preservative isSmelt Black, from Farrow & Ball's Archive collection, is a softer alternative to a true pitch black. It's the perfect hue for use on outdoor metalwork, or for gentler take on a classic front door colour, but can also be used as a wall colour in small spaces for a look that's dramatic but not overwhelming.