4 Inch Diameter Double Ply Smooth Round Chimney Liner (Only)

The 4 Inch Double Ply Smooth Wall Round Chimney Liner is a premium stainless steel chimney liner designed to improve venting performance, safety, and durability for residential heating appliances. Manufactured from high-quality 316 stainless steel, this double ply smooth wall liner is ideal for relining masonry chimneys while protecting against corrosion, moisture, and flue gas leaks.

This 4 inch double ply smooth wall chimney liner is commonly used for pellet stoves, gas appliances, wood stoves, and other heating applications requiring a 4" venting system. The smooth interior wall helps improve airflow and draft efficiency while reducing creosote buildup and improving overall appliance performance.

The double-ply smooth wall construction provides enhanced strength, durability, and performance compared to standard corrugated liners. Its flexible design allows the liner to navigate bends and offsets within masonry chimneys while maintaining superior structural integrity and long-term reliability.

Smooth wall chimney liners provide improved airflow performance compared to corrugated liners, helping maximize heating efficiency while simplifying chimney cleaning and maintenance.

Key Features: 4" round sizing, double-ply smooth wall flexible construction, 316 stainless steel, UL 1777 listed, made in the USA, air- and water-tight design, superior airflow performance, and lifetime warranty.

Product Specifications

Product type:	Double ply smooth wall round chimney liner
Shape:	Round
Inner diameter:	4 inch
Material:	316 stainless steel
Wall construction:	Double-ply smooth wall flexible
Certification:	UL 1777 listed
Application:	Pellet stoves, gas appliances, wood stoves, and venting systems

Key Benefits

Improved Airflow	Smooth interior enhances draft and appliance efficiency
Flexible Installation	Easily navigates bends and offsets in masonry chimneys
Enhanced Durability	Double-ply construction provides added strength and long-term reliability
Easier Cleaning	Smooth wall interior helps reduce buildup and simplifies maintenance
Improved Safety	Helps contain flue gases and reduce the risk of leaks
Air- & Water-Tight	Prevents leaks and protects chimney structure
Made in USA	Manufactured with high-quality materials and standards
Warranty	Lifetime warranty (transferable)

This 4 inch double ply smooth wall chimney liner can be customized with different top plates, chimney caps, adapters, and other chimney components to match your installation requirements.