Calluna is a genus of plant that solely includes heather, whose dainty flowers inspired this delicate Farrow & Ball colour. It\'s a pale purple with a touch of black pigment, which makes for a soft and sophisticated shade that leans more towards lilac than pink.Exterior Masonry is a super-matt, long-lasting finish for exterior walls. Its water-resistant formula protects walls, while at the same time offering the highest level of water vapour permeability to allow them to breathe. Applied in line with the Product Advice Sheets, it resists flaking, peeling, and fading for up to 15 years. Available in 108 Farrow & Ball colours. Providing it has been applied in accordance with Farrow & Ball Product Advice Sheets. Not suitable for use on exterior plastic surfaces or decking.