Roof coatings have now been around for approximately 30 years, they are very popular in Australia and America where householders get their roofs coated on a regular basis to cut down solar absorption, and by doing so reduce their air conditioning power bill (not yet a big problem in the United Kingdom).Unique based in Manchester, where there is no shortage of moss on roofs. A chemist was employed in conjunction with a major UK paint manufacturer, and a water based acrylic (mirco porous) roof coating was perfected.