5.5'' Chimney Liner

Lifetime Chimney Lining Systems - Strong and Flexible - Meets Many Chimney Configurations

Lifetime chimney liners are engineered with precision and constructed with the highest grade stainless steel components for a chimney liner that offers safety and longevity. Every Lifetime Lining System is tested and listed by Underwriters Laboratories, and it has a lifetime warranty that transfers over to the next owner in the same dwelling it was originally installed in.

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  • 5 1/2" DuraFlexSS Connector - 55DFS-FC 5 1/2" DuraFlexSS Connector - 55DFS-FC

    5 1/2" DuraFlexSS Connector - 55DFS-FC

    5 1/2" DuraFlexSS Connector - 55DFS-FC

    $25.82
    MSRP $29.28
    DuraFlex SS
  • 5 1/2" DuraFlexAL Coupling - 55DFA-FC

    5 1/2" DuraFlexAL Coupling - 55DFA-FC

    5 1/2" DuraFlexAL Coupling - 55DFA-FC

    $94.99
    MSRP $9.44
    DuraFlex AL
  • 5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Tee 5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    $655.89
    Lifetime
  • 5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter 5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    5 1/2" x 25' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    $619.99
    Lifetime
  • 5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Tee 5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Tee

    $749.99
    Lifetime
  • 5 1/2" DuraFlexSS Puller-55DFS-FP

    5 1/2" DuraFlexSS Puller-55DFS-FP

    Sale

    5 1/2" DuraFlexSS Puller-55DFS-FP

    $71.09 $60.43
    MSRP $74.48
    DuraFlex SS
    Sale

    • Can’t Find What You Are Looking For?

  • 5 1/2" DuraFlexAL Top Plate - 55DFA-TP 5 1/2" DuraFlexAL Top Plate - 55DFA-TP

    5 1/2" DuraFlexAL Top Plate - 55DFA-TP

    Sale

    5 1/2" DuraFlexAL Top Plate - 55DFA-TP

    $60.09 $51.08
    MSRP $42.1
    DuraFlex AL
    Sale
  • 5 1/2" x 20' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-20

    5 1/2" x 20' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-20

    5 1/2" x 20' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-20

    $52.99
    MSRP $709.01
    DuraFlex SS
  • 5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter 5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    Sale

    5 1/2" x 35' Lifetime Chimney Smooth-Wall Liner Kit with Stove Adapter

    $670.25 $569.71
    Lifetime
    Sale
  • 5 1/2'' x 35' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-35

    5 1/2'' x 35' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-35

    5 1/2'' x 35' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-35

    $1,156.99
    MSRP $1049.91
    DuraFlex SS
  • 5 1/2" DuraFlexSS Tee with Tee Cap - 55DFS-T 5 1/2" DuraFlexSS Tee with Tee Cap - 55DFS-T

    5 1/2" DuraFlexSS Tee with Tee Cap - 55DFS-T

    5 1/2" DuraFlexSS Tee with Tee Cap - 55DFS-T

    $191.99
    MSRP $173.59
    DuraFlex SS
  • 5 1/2'' DuraFlexAL Tee with Cap - 55DFA-T 5 1/2'' DuraFlexAL Tee with Cap - 55DFA-T

    5 1/2'' DuraFlexAL Tee with Cap - 55DFA-T

    5 1/2'' DuraFlexAL Tee with Cap - 55DFA-T

    $206.99
    MSRP $166.52
    DuraFlex AL
  • 5 1/2" x 15' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-15

    5 1/2" x 15' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-15

    5 1/2" x 15' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-15

    $622.99
    MSRP $389.19
    DuraFlex SS
  • 5 1/2'' x 30' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-30

    5 1/2'' x 30' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-30

    5 1/2'' x 30' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-30

    $990.99
    MSRP $899.33
    DuraFlex SS
  • 5 1/2" x 35' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter 5 1/2" x 35' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    5 1/2" x 35' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    Sale

    5 1/2" x 35' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    $709.99 $603.49
    Lifetime
    Sale
  • 5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Tee 5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Tee

    5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Tee

    Sale

    5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Tee

    $649.99 $552.49
    Lifetime
    Sale
  • 5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter 5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    Sale

    5 1/2" x 25' Lifetime Chimney Single-Wall Liner Kit with Stove Adapter

    $620.99 $527.84
    Lifetime
    Sale
  • 5 1/2" DuraFlexSS Top Plate - 55DFS-TP 5 1/2" DuraFlexSS Top Plate - 55DFS-TP

    5 1/2" DuraFlexSS Top Plate - 55DFS-TP

    Sold out

    5 1/2" DuraFlexSS Top Plate - 55DFS-TP

    $141.99
    MSRP $148.8
    DuraFlex SS
    Sold out
  • 5 1/2'' DuraFlexSS Mortar Sleeve - 55DFS-MS

    5 1/2'' DuraFlexSS Mortar Sleeve - 55DFS-MS

    5 1/2'' DuraFlexSS Mortar Sleeve - 55DFS-MS

    $102.69
    MSRP $81.0
    DuraFlex SS
  • 5 1/2'' DuraFlexAL 50' Aluminum Gas Chimney Liner - 55DFA-50

    5 1/2'' DuraFlexAL 50' Aluminum Gas Chimney Liner - 55DFA-50

    5 1/2'' DuraFlexAL 50' Aluminum Gas Chimney Liner - 55DFA-50

    $747.99
    MSRP $603.33
    DuraFlex AL
  • 5 1/2'' DuraFlexAL 35' Aluminum Gas Chimney Liner - 55DFA-35

    5 1/2'' DuraFlexAL 35' Aluminum Gas Chimney Liner - 55DFA-35

    5 1/2'' DuraFlexAL 35' Aluminum Gas Chimney Liner - 55DFA-35

    $507.99
    MSRP $409.79
    DuraFlex AL
  • 5 1/2'' DuraFlexAL 25' Aluminum Gas Chimney Liner - 55DFA-25

    5 1/2'' DuraFlexAL 25' Aluminum Gas Chimney Liner - 55DFA-25

    5 1/2'' DuraFlexAL 25' Aluminum Gas Chimney Liner - 55DFA-25

    $365.99
    MSRP $294.83
    DuraFlex AL
  • 5 1/2" x 35' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-35

    5 1/2" x 35' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-35

    Sold out

    5 1/2" x 35' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-35

    $1,183.09
    MSRP $1240.24
    DuraFlex SS
    Sold out
  • 5 1/2" x 30' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-30

    5 1/2" x 30' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-30

    5 1/2" x 30' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-30

    $1,170.99
    MSRP $1062.46
    DuraFlex SS
  • 5 1/2" x 25' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-25

    5 1/2" x 25' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-25

    5 1/2" x 25' DuraFlex 316 Stainless Steel Chimney Liner - 55DF316-25

    $956.99
    MSRP $558.44
    DuraFlex SS
  • 5 1/2'' x 25' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-25

    5 1/2'' x 25' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-25

    Sold out

    5 1/2'' x 25' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-25

    $806.99
    MSRP $732.01
    DuraFlex SS
    Sold out
  • 5 1/2'' x 20' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-20

    5 1/2'' x 20' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-20

    5 1/2'' x 20' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-20

    $661.99
    MSRP $600.25
    DuraFlex SS
  • 5 1/2'' x 15' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-15

    5 1/2'' x 15' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-15

    5 1/2'' x 15' DuraFlex 304 Stainless Steel Chimney Liner - 55DF304-15

    $511.99
    MSRP $464.3
    DuraFlex SS

Choose your Brand of Chimney Liner

Lifetime Chimney Liner - Lifetime Chimney Liners are strong, flexible liners that are constructed with 316L grade stainless steel. They are intended for use with masonry chimneys venting appliances that burn home heating oil, LP or natural gas and solid fuels including wood, coal and pellets. This brand is recommended for Do it Yourself Homeowners, as well as professional installers

DuraFlex SS flexible relining for masonry chimney is for use with wood, gas, pellet, coal, or oil appliances including inserts, furnaces, boilers, and water heaters DuraFlex SS is recommended for professional installations.

DuraFlex AL flexible relining for masonry chimney is for use with natural gas or liquid propane category 1, draft hood equipped appliances and appliances tested and listed to use Type B Gas Vent. DuraFlex AL is recommended for professional installations

Follow manufacturer recommendations whenever applicable. Never use a chimney liner that is smaller in diameter than the flue size of the appliance it is being connected to. We recommend you study the brochures to become familiar with the product of choice.