Choose a Log Set Refractory Concrete Log Sets Available in Six Conventional Styles: Advantage, Great Lakes Oak, Tree House 7, Tree House 11, Pioneer, and Frontier. Skyscraper add-on log sets fills out any fireplace (for use with Advantage Log Set) Available in Three See-Through Styles: Great Lakes Oak, Tree House 7, Tree House 11 Reinforced Refractory Construction for Long Life and Greater Thermal Mass Combines Large Logs and Smaller Branches Cast from Real Logs and Hand Painted for Natural Beauty – includes bark, splits, knots, whorls, and charring Frontier Refractory Log Set Pioneer Refractory Log Set Advantage Refractory Log Set shown  with Triple Burner Advantage Refractory Log Set shown  with Skyscraper Accessory Refractory Logs Treehouse 7 Refractory Log Set Treehouse 11 Refractory Log Set Great Lakes Oak Refractory Log Set Ceramic Fiber Log Set – Kensington Forest Lightweight Ceramic Fiber Material Glows Wherever Licked by Flames, Radiates more Heat into the Room Combines Large Logs and Smaller Branches Richly Detailed Logs Molded from Hand-Carved Masters Hand Painted for Natural Beauty – includes bark, splits, knots, whorls, and charring Kensington Forest Ceramic Fiber Log Set Choose a Matching Sand Pan Burner Triple BurnersTriple burners feature two main tube burners, plus a smaller front ember bed burner.  The triple burner creates massive flames properly proportioned between the front and rear of your fireplaces.  Triple Burners fit our Advantage log sets (and Skyscraper accessory logs), and our Tree House 11 Log Sets.Double BurnersOur Double Burners feature two unequal-length tube burners in a tapered sand pan.  Designed to fit most conventional fireplaces, the double burner creates large swirling flames with a large ember bed.  Double Burners fit these log sets – Frontier, Pioneer, Great Lakes, Tree House 7, Tree House 11, Kensington, and Advantage.See-Through BurnersOur See-Through Burners feature three equal-length tube burners in a rectangular sand pan.  Designed to fit most see-through and peninsula fireplaces, this three-burner system looks great from any angle.  See-Through Burners fit these See-Through log sets – Great Lakes See-Through, Tree House 7 See-Through, and Tree House 11 See-Through. (Our see-through Log Sets include a second “Front Log.”)