Dulux Trade Weathershield Smooth Masonry Paint Black, is an exterior quality emulsion paint based on all acrylic resin. It contains a fungicide to inhibit mould growth on the paint film and help it stay cleaner for longer. It is particularly suitable for use in changeable weather and is shower resistant within 30 minutes after application. Application either with paint brush or roller. Paint coverage on smooth surfaces of low porosity such as rendering 14-16m per litre, on textured surfaces of low porosity such as pebble dash 4-6m per litre. These figures are an approximate guide due to the variation of different building surfaces and may be reduced. Touch dry 30 minutes dependent upon temperature & humidity, re-coatable 2-4 hours, these times will be longer in colder or damp conditions. Paint thinning - For sealing new or bare surfaces, 1 part clean water to 5 parts paint. For normal use: thinning should not exceed 1 part clean water to 10 parts paint.