6 Inch DuraTech Galvalume Insulated Wall Thimble

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  • DuraTech Galvalume Insulated Wall Thimble 6"
  • DuraTech Insulated Wall Thimble Size
  • DuraTech Insulated Wall Thimble Sizing Chart
Frequently bought together:


A high-quality product for use with the DuraTech chimney system is provided. The wall thimble fits between typical wall studs and adjusts from a minimum of 5.5 inches to a maximum of 9.5 inches of wall thickness. The telescoping parts may be extended up to 16 inches with a field-fabricated extension inserted to accommodate thicker walls. The wall thimble has to be placed with DuraTech chimney pipe running through the wall horizontally and extending 6-inches into the space after the inside wall. The inside trim ring has a black painted finish.

Product Features:

  • Approved for most fuel types
  • 430-alloy stainless steel inner wall
  • 2" clearance to combustibles
  • ThermalTech blanket insulation eliminates hot spots
  • Twist-lock connections for strong, secure fits
  • Able to vent large fireplaces and building heating appliances
  • Clean, smooth exterior finish

Product Specifications:

 Size:  6" Inner Diameter
 Weight:  7.5 lbs.
 Material:    Galvalume
 Fuel Type:  Coal, Gas, Oil, Wood
 Product Type:  Wall Thimble

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Warranty Information

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. This Warranty is transferable from the original homeowner to the buyer of the home.

This warranty does not cover normal wear and tear, smoke damage or damage caused by chimney fires, acts of God, or any product that was:

(1) purchased other than from an authorized DuraVent dealer, retailer or distributor;

(2) modified or altered;

(3) improperly serviced, inspected or cleaned; or (4) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent.

This limited lifetime warranty applies only to parts manufactured by DuraVent.

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