A Moving Rock, Gathers No Moss. Moving Rock can be used to kill mould, algae, lichen, and moss. It will keep it, at bay for up to 12 months and can be used on concrete, brickwork, timber, painted surfaces, Indoor and outdoors. This product when used correctly, will penetrate right through to the spores of the fungi, the fungi will weather away by itself over a period of a month. It can be jet washed after a week.
 
Warning: Keep pets off the sprayed area for at least 48hours or when it was been washed away.