Items to Avoid

• Do not insulate a hot exhaust flue. Any work on a chimney should only be done with direction from an approved HVAC contractor.
• Do not cover the insulation guard with insulation.

Items to Incorporate

• Ensure clearance between the chimney and all combustible building materials is 3", unless otherwise instructed by an approved HVAC contractor.
• Use only fireproof sealing material in contact with the chimney.