Lexington Hearth Half-Round Sleeper MantelThe Lexington Hearth Half Round Sleeper mantel is molded directly from an 8 x 6 beam which features a pine bark texture, rough hewn tool marks, checks & splits, and character knots. Lexington Hearth products are individually hand cast and hand painted products and will have minor variances in color, weight, and final dimensions. Certified Non Combustible ASTM E136 Standard Test Method for Behavior of Materials in a vertical tube furnace at 750 degrees