Nova is a prefabricated twin wall insulated stainless steel chimney system designed to meet the requirements for multi-functional applications serving a variety of fuels. It is manufactured in the UK by SFL.

Suitable For

  • Biomass
  • Gas
  • Kerosene
  • Solid Fuel
  • Internal and External Applications
  • Negative pressure applications
  • Wet and positive pressure (up to 200Pa) applications with the use of seals (flue gas temperature < 200°C)


  • Multi-barb quick lock jointing system, secured with locking band
  • Manufactured from 316L stainless steel liner and 304 outer case
  • The inner liner can freely expand and contract due to the unique joint design
  • 25mm auger filled mineral wool insulation
  • Stocked in matt black in 130, 150 and 200mm internal diameter
  • Available in 100-600mm internal diameter
  • 20 year conditional manufacturing defect warranty


  • CE marked to BS EN 1856-1 for metal system chimneys
  • CE marked to BS EN 1856-2 for use as a connecting flue or where the chimney passes through a timber frame construction
  • T450 N1 D V2 L50050 G(50) / T200 P1 W V2 L50050 O(50)
  • Fire resistance of two hours can be achieved in accordance with the stability and integrity criteria of BS 476: Part 20 for duct type B

  Filename Format  
Universal Bracketry Installation Instructions Universal Bracketry Installation Instructions .PDF
NOVA Product Summary NOVA Product Summary .PDF
NOVA Brochure 2022 NOVA Brochure 2022 .PDF
SFL Nova Brochure SFL Nova Brochure .PDF