SmartFlex Rigid Pipe

Our TOP SELLING Rigid Liner

Our SmartFlex Rigid Liner is manufactured with high grade 24 gauge Stainless Steel.  It is available in a 316 alloy for all fuel applications or 304 for wood burning applications.

Please Note: To make sure you have a proper fit, use an "OD" tee.  Rigid Liner Systems also require the use of a top kit.  The top Knot consists of a top plate, storm collar, top clamp, and raincap.

SmartFlex Rigid Liner Features:

·        Best Selling Rigid Liner – Also the preferred choice of Lindemann Chimney Professional Sweeps

·        Top Quality Material Options  - All Fuel 316 Stainless Steel or 304 Stainless Steel for wood burning applications.

·        Quality Components  - Components are available with 316, 24 Gauge Stainless Steel

·        Lifetime Warranty - Lifetime Transferable Warranty, Valid Only if Properly Installed/Maintained by a Chimney Professional.

·        UL Listed – UL Listed to UL 1777, ULC-S635, and 441.  UL listed up to 40” diameters.

·        Custom Sizes – Call for pricing on custom sizes 

Guidelines for Sizing Fireplace SmartFlex Liners

Please Note: These are general guidelines for sizing a fireplace liner, and there are many other factors and considerations to take into account when working on the job site. Please contact our qualified Sales Team for more information. See Additional Product Info Tab for installation Instructions and Sizing Charts.

Liner Opening to Fireplace Opening (square inches) Ratio for Flue Liners:

- Round Liner                          12 : 1

- Oval Liner                             10 : 1

- Square Liner                         10 : 1

- Rectangle Liner                    10 : 1  

Pre-Calculated Round Liner Chart at 12 : 1 Ratio

Sales Sheets:

• SmartFlex Brochure (PDF, 1.82MB ) 
• Relining Best Practices (PDF, 674KB ) 
• Oil Sizing Chart (PDF, 122KB ) 
• SmartFlex Warranty (PDF, 668KB )