DuraVent DuraTech 8DT-18SS 8” Inner Diameter Chimney Pipe 18″ Pipe Length

SKU: 8DT-18SS,

Brand: Duravent


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DuraVent DuraTech 8DT-18SS 8” Inner Diameter Chimney Pipe 18″ Pipe Length – All Stainless Steel

Duratech 8DT-18SS 18″ Chimney pipe is designed for appliances that are tested and listed for use with a 2100°F HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Available in all stainless steel (5″-8″ SS) or with a galvalume (6″-8″ GA) outer casing and stainless steel inner wall with twist-lock connections. DuraTech 24”, 36”, 48”, and 60” chimney pipe available with additional protective carton filler (CF) for shipping.

To calculate installed length of 5”, 6”, 7”, or 8” DuraTech Chimney, subtract 1 1⁄4” from each joint overlap of chimney pipe. Allow a minimum of 2” air space to combustibles when installing DuraTech Chimney

DuraTech: The optimum in safety and performance for an all-fuel chimney.


  • Limited Lifetime Warranty
  • Wide variety of diameters available.
  • Twist-lock fittings. No locking bands or mechanical fasteners required
  • Available with stainless or galvalume outer walls.
  • 1” Refractory insulation encased between two walls keeps the outer wall cool, while ensuring high flue gas temperatures for optimum draft performance
  • Light weight Thermo Tech insulation makes pipe sections lighter
  • Has the smallest outside diameter available to allow easy placement between studs
  • Thickest inner wall construction in the industry providing the best protection from creosote fires.
  • 430 Stainless Steel Inner Wall
  • UL Listed

Also available:

8DT-06 6″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-06SS 6″ Chimney Pipe – All Stainless Steel 

8DT-09 9″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-09SS 9″ Chimney Pipe – All Stainless Steel 

8DT-12 12″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-12SS 12″ Chimney Pipe – All Stainless Steel

8DT-18 18″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-24 24″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-24SS 24″ Chimney Pipe – All Stainless Steel

8DT-36 36″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-36SS 36″ Chimney Pipe – All Stainless Steel

8DT-48 48″ Chimney Pipe – Stainless Steel Inner/Galvalume Outer

8DT-48SS 48″ Chimney Pipe – All Stainless Steel

8DT-VC  Chimney Cap

5DT-SA Spark Arrestor

8DT-LB Locking Band

8DT-ST Standard Tee w/Cap Stainless Steel Inner/Galvalume Outer

8DT-STSS Standard Tee w/Cap All Stainless Steel

8DT-RSTC9 Trim Collar for Roof Support 7/12 – 9/12

8DT-RSTC6 Trim Collar for Roof Support 4/12 – 6/12

8DT-RSTC3 Trim Collar for Roof Support 0/12 – 3/12

8DT-RSTC12 Trim Collar for Roof Support 10/12 – 12/12

8DT-RRS Roof Radiation Shield

8DT-IS Attic Insulation Shield

8DT-FRS Firestop Radiation Shield

8DT-FC Finishing Collar w/adapter

8DT-AP17x21 Transition Anchor Plate 17″ x 21″

8DT-AP17x17 Transition Anchor Plate 17″ x 17″

8DT-AP14x17 Transition Anchor Plate 14″ x 17″

8DT-AP13x21 Transition Anchor Plate 13″ x 21″

Weight9.36 lbs


Duratech Install manual




M&G DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used. DuraVent products are fully warranted if installed only by a professional installer. See owners manual for full warranty.


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