ensuring exterior surfaces are protected all year round

which helps to give ultra-sharp straight lines and maintain the brush's shape even after washing

Specially developed to achieve excellent adhesion to almost any surface

previously-painted surfaces and most non-ferrous metals including aluminium

Crown Trade Stronghold Exterior Primer Undercoat - Dark Grey - 2.5 Litre Dulux Retail ensuring exterior surfaces are protectedDescription Specification Download Shipping & Returns Product Description: 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. Formulated to provide ultimate protection for exterior wood, Crown Trade Stronghold Exterior Primer Undercoat delivers optimal performance when used as a basecoat prior to application of Stronghold