Page 7September 1, 2008R7007-161H2700-I WOOD INSERT (ACT)FloorCeilingCaulkFloor(second Story)Non-CombustibleFirestoppingMaterialMinimum 1 inch (25mm)clearance from exteriorchimney to sheathingFirestopping2 inch(51mm)CHIMNEY REqUIREMENTSNon-combustiblefire stopping materialMinimum 2 inch (51mm) clearancefrom combustible materialand insulationceilingAt least 2 ft(61cm)At least ft(91cm)CHIMNEY HEIGHT 10 ft(05cm)CHIMNEY TOp VIEWFLUEFoundation1/2" (12.7mm) airspace 5/8" (16mm)Fireclay FlueLinerChimney Wall4" (102mm)NominalFigure 7.1OVALIZING ROUND STAINLESS STEELLINERSOvalizing round stainless steel liners to accommodate theliner passing through the damper region of a fireplace is anallowable and acceptable practice.Ensure that the ovalization is minimized to the extentrequired to fit through the damper.Figure 7.3 - 2-10-3 RuleFigure 7.2 Figure 7.4WARNINGONLY use connector:• Within the room, between appliance and ceiling or wall.Connector shall NOT pass through:• Attic or roof space• Closet or similar concealed space• Floor or ceilingMaintain minimum clearances to combustiblesFire Risk.Follow Chimney Connector Manufacturer’sInstructions for Proper Installation.WARNING• ALWAYS maintain specified clearances around venting andspacers.• Install spacers as specified.Failure to keep insulation or other material away from ventpipe may cause fire.Fire Risk.Do NOT pack insulation or other combustiblesbetween spacers.