Technical Information

Certification

EXCEL is tested and listed by Intertek Testing Services to two safety standards:

  • UL 103HT - The standard for solid and liquid fuel chimneys installed in the USA.
  • Along with many other tests the UL 103HT Standard requires the chimney to withstand three 10 minute chimney fires at 2100°F (1150°C).
  • Listing #5965
  • ULC S-629 - The standard for solid and liquid fuel chimneys installed in Canada.
  • Along with many other tests the ULC S-629 Standard requires the chimney to withstand three 30 minute chimney fires at 2100°F (1150°C).
  • Listing #5965

Applications

EXCEL chimney is suitable for use on appliances that burn:

  • Wood
  • Oil
  • Coal
  • Gas
  • Charcoal
  • It is specifically engineered for wood burning stoves, fireplaces and residential furnaces.

Allowable Flue Gas Temperatures

Max Continuous 650°C (1200°F)

Brief Forced Firing 925°C (1700°F)

Tested To 1150°C (2100°F)

Clearance to Combustible Materials

2” clearance except in areas protected by factory-built supports certified for reduced clearance. EXCEL round and square supports permit the chimney to be installed with approximately 1 inch of clearance - in the area shielded by the support.

Construction

Flue:

.016” stainless steel

Casing:

.016” stainless steel

Seam:

Interior and exterior seams are continuous seam welded

Insulation:

Thermoplus continuous blanket

Wall thickness: 1”

Paint:

All black EXCEL components are painted with Forrest “Stove Bright” flat black paint

Excel EN

Sceau Intertek Excel EN

Try the Excel Chimney Configuration Tool

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If you’re installing a wood stove, our chimney configuration tool will walk you through finding all the right parts for your job.

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