Whoever said there are 50 shades of grey, hasn’t worked with concrete.
I’ve easily seen 100’s of different shades and tones throughout the world of engineered cementitious mix designs.
So, what is concrete grey? Well for us and our customers, concrete grey is achieved by dosing pure iron oxides into our premix or mix formulations to change the appearance from white.
(we will get into why we don’t use grey cement in another blog post)
Iron Oxides can be dosed on cementitious content or of grams per bag and to achieve ‘concrete grey’ here are your choices
Black Iron Oxide:
All shades of grey created by using ‘Black Iron Oxide’ will display a cool undertone. These tones display a ‘silver’ or ‘steel’ undertone. Think water & sky when envisioning the colour hue
Warm Grey Iron Oxide:
Warm tones are more likely considered ‘sun and fire’ which is considered ‘Natural concrete grey’ This oxide will counteract the ‘steel and blue’ tone created with ‘cool tones’.
