5" X 25' Chimney Liner Kit

A 5-inch diameter by 25-foot length stainless steel liner kit engineered to reline older masonry chimneys, restore proper draft, and create a safe venting pathway for wood-burning stoves, pellet inserts, and gas heating appliances. The corrosion-resistant stainless steel construction withstands repeated thermal expansion cycles while blocking acidic moisture and creosote deposits that gradually degrade unprotected clay tile or brick flues.

System Specifications and Fit

With a 5-inch clear inner diameter, this liner aligns with common venting requirements for residential heating equipment that demands steady exhaust flow without excessive air restriction. The 25-foot run length accommodates the majority of single-family home chimney heights, spanning typical second-floor appliance installations down to ground-level exits. Sections interlock to form a continuous interior channel, sealing off gaps behind old mortar joints to prevent hazardous gas leakage into living spaces.

Performance and Installation Considerations

• Flexible stainless design navigates minor flue contours while maintaining vertical alignment during pull-through procedures
• Secure joint connections maintain consistent draft pressure and reduce heat transfer to adjacent combustible framing
• Stainless material prevents internal deterioration from wetwood smoke and condensation, extending overall venting lifespan

Verify your existing flue clearance and appliance manufacturer specifications before installation. The 5-inch dimension must match your heating unit’s required vent size to ensure optimal combustion efficiency and safe operation. This complete kit provides the primary lining tube needed for a full masonry flue rehabilitation project.