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Base support 5 -15 cm (flue to wall)


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Base Support used at the bottom of an external chimney system. To support the weight of an external twin wall flue of more than 4mtr.

The load support should be placed just above the vertical connecting tee to prevent the weight of the chimney from resting on the tee, which is less structurally strong. The wings can be placed both up and down, but whenever possible it is recommended to place them up to work in tension and not in compression.

The maximum distance between the wall fixing brackets is 4 metres.

A chimney must not exceed 3 meters of overhang since the last fixing.

Additional Information

Name Base support 5 -15 cm (flue to wall)
Reference number TWAWS06-1
Inside pipe AISI 316L (1.4404)
Outside pipe AISI 304 (1.4301)
Overlap (cm) 35mm
Thickness inside pipe (mm) 0.4
Thickness outside pipe (mm) 0.4
Type of fuel Wood & multifuel
Thickness insulation (mm) 30 mm
Distance to flammables (cm) 70mm in enclosed spaces and 50mm outside.
Temperature of use 600ºC continuous, 1000ºC peak.
Delivery time (working days) 1-3
Transport cost (total order) 1 to 3 products: delivery costs £20.00; 4 products or more £29.99 (UK & Scottish Mainland) Free delivery > £200 GBP (UK & Scottish Mainland)
(Compatible with) internal pipe diameter (mm) 150