DuraVent
DuraVent 30' Flex Pipe DuraFlex Pro Stainless Steel Length
DuraVent 30' Flex Pipe DuraFlex Pro Stainless Steel Length
The DuraVent 30' Flex Pipe DuraFlex Pro Stainless Steel Length is a premium flexible chimney liner engineered for superior strength, flexibility, and reliable masonry chimney relining. Featuring highly corrosion-resistant 316 stainless steel construction, DuraFlex Pro provides 20% more stainless steel per foot compared to many competing liners for enhanced durability and performance. Its extreme flexibility allows for smooth, problem-free installation through chimneys with multiple offsets, making it ideal for wood stoves, fireplace inserts, and solid-fuel appliances. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner meets UL 1777 and ULC S635 listing standards for safe and professional venting applications.
Designed for demanding chimney restoration and vent replacement projects, the DuraFlex Pro flexible liner helps maintain efficient flue gas flow, chimney draft, and appliance performance. Its durable stainless steel design protects against heat, moisture, and corrosive combustion byproducts while providing long-term reliability. This 30-foot chimney liner pipe is an excellent choice for residential and commercial chimney relining systems, delivering dependable safety, improved efficiency, and trusted DuraVent quality.
Features
- DuraVent DuraFlex Pro 30' Stainless Steel Chimney Liner: Premium 30-foot flexible chimney liner designed for professional masonry chimney relining, fireplace insert installations, and venting upgrades.
- Durable 316 Stainless Steel Construction: Manufactured with high-quality 316 stainless steel alloy for superior strength, flexibility, and long-lasting corrosion-resistant chimney liner performance.
- Enhanced Corrosion Resistance for Coal & Sulfur Oils: The 316 alloy stainless steel design provides additional corrosion protection when burning coal or sulfur-containing oil fuels, helping extend liner service life.
- Ideal for Multiple Offset Installations: DuraFlex Pro’s advanced flexibility makes it the best choice for chimney systems with multiple offsets and challenging installation configurations.
- Compatible with Solid Fuel, Gas & Oil Appliances: Designed for use with solid fuel appliances, non-condensing gas appliances, and oil-fired heating systems.
- Flexible Chimney Pipe Design: Allows easier routing through existing chimney structures while supporting reliable chimney liner replacement and restoration projects.
- Improves Chimney Draft & Venting Efficiency: Helps maintain proper flue gas flow, efficient venting, and optimal appliance performance.
- Professional Chimney Relining Solution: Ideal for wood stove chimney liners, fireplace insert liners, masonry chimney restoration, and stainless steel venting systems.
- Heat & Corrosion Resistant Performance: Protects chimney interiors from high temperatures, moisture, creosote, and corrosive combustion byproducts.
- UL Listed Stainless Steel Chimney Liner: Meets UL 1777 and ULC S635 standards for safe, reliable, and code-compliant flexible chimney liner installations.
Specifications
| Model | Size | Flex Length |
| 3DFPRO-30 | 3" I.D | 30 ft. |
| 4DFPRO-30 | 4" I.D | 30 ft. |
| 5DFPRO-30 | 5" I.D | 30 ft. |
| 55DFPRO-30 | 5.5" I.D | 30 ft. |
| 6DFPRO-30 | 6" I.D | 30 ft. |
| 7DFPRO-30 | 7" I.D | 30 ft. |
| 8DFPRO-30 | 8" I.D | 30 ft. |
| Materials | 316 stainless steel | |
| Construction | Single-Wall | |
| Clearance | 0” clearance for gas, oil, and pellet applications. | |
| Clearance | 1” clearance to masonry for wood-burning | |
| Listings | Listed to UL 1777 and ULC S635 (MH45609). | |
| Warranty | Limited-lifetime warranty | |