Levels of Quality, Sizes, Edges, and Joining Systems. Shaw classifies its floors as Good, Better, Best, and Superior. Most floors fall in the Better or Best categories, with some floors falling into both categories at once (doubling the wear layer thickness bumps a product up to the Best level).
If your shelf projects 1 1/2 inches or less, there must be at least six inches between the top of the fireplace and the mantel. Any parts of the mantel that project more than 1 1/2 inches must be at least 12 inches from the top of the fireplace.
Everything we know about the mantle, which begins about 15 miles below the surface, and about Earthâs core, 1,800 miles beneath us, has been gleaned remotely. While our understanding of the rest of the universe grows almost daily, knowledge of the inner workings of our own world advances far more slowly.