Metal Fab Air Cooled Temp Guard 14" Diameter Anchor Plate 39in 4 mm) Canada United States Clearance Size:4" to 7" 4 mm) Canada United States Clearance – top (measured from the platform on which the appliance is installed)** 84" 84" Clearance – combustible side mantle to unit 9" 9" Clearance – combustible top mantle to unit 27" 27" Clearance – combustible side wall to unit 16" 16" Clearance – minimum floor protection in front of the appliance 18'' 16'' Clearance from the top of the unit to the shelf 27" Clearance – from the top of the insert to the shelf 27" Technical Drawings & Dimensions Flush wood mantels and shelves are a great value that creates a focal point for all rooms Metal Fab will provide replacement chimney lengths at no charge is reasonably satisfied that the part was defective at the time of sale