www.jonite.us/ What's grate ? Quietly serving its duty obscurely being a drain cover (that is what gratings are) which enables us to walk on it to have fun with the walking space it enables while protecting us from falling into drains is what is not typically referred to as grate. Over the past 20 years in the industry, common terms used for drain covers are "grate", "grating" and even "grateing". When one mentions drain covers, the idea that first appear are often the typical metal drain covers you see on walkways. Discover our wide range of stone gratings here.