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.
Requirements for balustrades differ depending on the height of the deck or balcony above the ground. For decks or balconies more than one metre above the ground, a balustrade cannot have any openings greater than 125 millimetres, to help prevent people from falling through them.