Cover Stain Aerosol is especially effective on nicotine and water stains

Its special formulation stains and varnishes in one

Perfect for those who want the look of untreated wood with the durability of a professional oil finish

Can be applied to damp masonry

Farrow & Ball 2.5L Flat Eggshell Grate Black No.9920 Wood Weathering Cover Stain Aerosol is especiallyGrate Black is a unique neutral that sits somewhere between two classic Farrow & Ball shades the softer Off Black and the deeper Pitch Black. Its slightly softened tone makes it very versatile for indoor and outdoor use, whether on woodwork, metalwork, or even walls.