So I was reading through the Vermont Castings Installation & Planning Guide (copyright 1987) and looks for guidance in building a hearth pad for my Vigilant. The guide says that the minimum protection with standard legs is two sheets of 1/4" mineral board (or equivalent) covered by 24 gauge sheetmetal, left exposed. It goes on and seems to indicate that the only way more decorative materials may be added is with the use of a separate heat shield under the stove. Can I really not add tile/brick/stone over top of the sheetmetal without a shield? What is the logic here? The guide seems to make no mention of raised hearth pads with airflow or any other options that seem to be considered good practice. I've never personally seen a hearth pad featuring bare steel as the final layer. Without access to a heat shield I'm feeling pretty limited. Any advice?