Isokern IBV-36 - Required Clearances (When Sheathing Protrudes Beyond Front of Firebox)

8“ min. Finished Opening 8“ min.
Wood (Flammable)
Sheathing
8” min
8” min 8” min
Front of
Firebox reference
23
Combustible wood sheathing such as plywood and particle board may be used to cover the front face of the Isokern smoke dome
and be in direct contact with it. Application of such combustible sheathings must assure that the sheathing is held a minimum of
eightinches(8”)awayfromeachsideofthenishedreplaceopeningandaminimumofeightinches(8”)inchesabovethetop
ofthenishedreplaceopening.(Figure26&27)
Do not attempt to build a combustible framed wall in front of the IBV unit.
If combustible wood sheathing is installed across the face of the Isokern smoke dome front be sure that when the required
noncombustiblenishedfacingmaterialsareapplieddirectlytothefrontoftheIBV,thatnogapsorvoidsareleftbehindthe
nishedfacingmaterials.CompletelysealtherequirednoncombustiblenishedfacingmaterialsdirectlytotheIsokernunitwith
Earthcore Mortar or other noncombustible grout.
Seepage28forclearancetocombustiblenishtrim.Seepage22forclearancetodrywall.
Required Clearances
(whensheathingprotrudesbeyondfrontofrebox)
Figure 26
Figure 27