The average concrete garage or workshop floor will last for decades providing you with a maintenance free, hard wearing floor, however flaking, dusty and cracked concrete slabs are all too common. There are many reasons as to why this happens but for the most part it's to do with the way the concrete was cured when it was first poured. In any case a quick and economical solution to a dusty, cracked and uneven concrete floor is a specialized self levelling compound.