Ventis Forever Firebox – OCV-RR-36/42 – 07-10-2020 rev4 8
10. Clearances
You must comply with all minimum air space clearances to combustibles shown in figure 3.2. Do not add insulation
or other materials to required airspaces. Framing or finishing material that is closer than the minimum listed
measurement must be constructed of a non-combustible material (Steel studs, concrete board, etc.) Failure to
comply may cause a fire.
Minimum Clearance to Combustibles
Within Enclosure Area
Fireplace to backwall ½”
Fireplace to sidewall ½”
Stand-offs on top to the header 0”
Door opening to side wall 12”
Fireplace opening to combustible materials 48”
Mantel
Minimum Mantel Height 12”
Maximum Mantel Depth 12”
Minimum Mantel Width (OCV-RR-36) 41-5/8”
Minimum Mantel Width (OCV-RR-42) 47-5/8”
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