Non-Combustible (Stone) Finish With Non-Combustible Hearth Extension - ORTAL 40 Series Installation And Operation Manual

Non-Combustible (Stone) Finish with Non-combustible Hearth Extension

LEGEND:
Non-combustible material such as 5/8"
Type X fire rated drywall (or equivalent)
Combustible material
The air flow area must be free from any obstruction to allow heat from the chase to be released.
NOTES:
•
For manufactured stone products, a minimum 2" recess is recommended. The clearance
requirements will be determined by the stone manufacturer. Natural stone finishes do not require a
recessed application and may be flush with the fireplace.
•
Only your Type X or equivalent material (like backer board) is permitted to touch the unit.
HEARTH EXTENSION NOTES:
• The framing must maintain a ¼" clearance to the firebox
• The finish must maintain at least a 1/8" clearance to the firebox.
• Don't frame or finish above the bottom lip of the firebox (otherwise the fireplace glass cannot be removed).
Ortal Installation Manual: Built-in Models, December 2019 (V2)
Wood framing
Metal framing
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