Chimneys & Flues

Seldek Twin Wall Chimney

The Seldek Twin Wall chimney system provides a high quality and robust chimney with high thermal performance. The system consists of straight lengths, bends, support components and fittings which are constructed entirely from stainless steel and a nominal 30mm mineral wool insulated annulus. The chimney system has a polished stainless steel finish as standard but there is also the option of having the system powder coated black, which is becoming more and more popular.

The system is push fit with locking bands to secure each joint. The system may be installed internally or externally. The relatively low external wall temperature permits installation with only a 50mm (2") air gap clearance to combustible materials which is particularly useful in internal installations passing through ceilings.

  • Fully welded system
  • Inner liner is 0.5mm 316 grade stainless steel
  • Outer skin is 0.5mm 441 grade stainless steel
  • All lengths and fittings supplied with a standard locking band
  • All tees supplied with a plug which incorporates a 22mm drain point
  • Available in diameters 100mm, 130mm, 150mm, 180mm and 200mm
  • Black powder coated finish available
  • 10 year warranty

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Stainless Steel Flexible Flue Liners

The liners we use for all our chimney lining work are from the Schiedel TecnoFlex range of flexible flue and chimney liners which have been designed for lining an existing flue or chimney.

TecnoFlex Plus is a twin skin flexible chimney liner designed for gas, oil and multi-fuel, where the maximum flue gas temperature does not exceed 600°C and has a diameter range 80 – 300mm although we only use these liners in multi fuel applications.

  • Corrugated outer skin for high crush resistance
  • Extra smooth inner skin allows for easy drain down of condensates, less opportunity for soot to collect in the joint area and ease of sweeping
  • Engineered joint design gives extra strength and flexibility
  • Inner skin remains smooth and protective even after the rigours of installation
  • Now with Lifetime Guarantee subject to terms
  • Both inner and outer layers made from corrosion-resistant 316L grade stainless steel
  • Also available in the 904L grade of stainless steel

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