I wouldn't want to try and mount an 8 foot by 4 foot piece of glass on my wall, and I'm guessing the contrast would be a lot worse than the recommended material

I wouldn't want to try and mount an 8 foot by 4 foot piece of glass on my wall, and I'm guessing the contrast would be a lot worse than the recommended material in the article. All I know is, you can walk into any Home Depot and for $15 bucks, walk out with the supplies you need to easily amount it onto any wall in about 5-10 minutes.