Norglass Northane Gloss Black Accessories or the process can be

or the process can be accelerated using Sikkens Cetol Tannin & Oil Remover followed by Sikkens Cetol Deck & Wood Cleaner

or as a wall preparation prior to wallpapering

this slow drying impregnation is specifically designed to seal and protect dense stone surfaces such as porcelain

More or less can be added to achieve the desired gloss level

Norglass Northane Gloss Black Accessories or the process can beNorthane Gloss Black The premium two pack aliphatic linear polyurethane for durability and fade resistance. Excellent chemical, waterproofing and weathering properties. Ideal for refurbishing most surfaces and where a superior long lasting coating is required. Home, leisure, commercial, industry and suitable as a food grade coating.