750ml Exterior Eggshell Grate Black No.9920 Surface Treatment first prime with a water-based

first prime with a water-based exterior paint

or with other greys from the Farrow & Ball Easy Neutrals group

swelling and shrinkage

Try it with a green-based neutral like Off-White or Old White

Crown Trade Stronghold Exterior Primer Undercoat is a flexible solvent-based primer undercoat specially developed to provide long-lasting protection to exterior timber and metal

750ml Exterior Eggshell Grate Black No.9920 Surface Treatment first prime with a water-basedFarrow & Ball Exterior Eggshell provides a durable flexible finish for a wide range of exterior surfaces, from front doors and fences to pergolas and planters. Exterior Eggshell transforms outdoor wood and metal. Staying flexible even when dry and with preservatives to prevent the growth of algae and fungi, this finish keeps your great outdoors looking great in all weathers. Available in a huge range of your favourite shades. Grate Black is a unique