INSUduct® Technical Specification

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880 x 240(on wall) x 150mm

40mm “bellmouth” to enable climbing facility

Riser is 840mm when used in climbing format.

Temperature rating tested:

– 15°c for 72 hours


Thermal conductivity < 0.025 W/mK

Water absorption < 0.1% by volume

Includes graphite powder for enhanced thermal retention.


Injection moulded in 100% reprocessed polypropylene

UV stabilised

Impact resistant

50+ year design life

Compliant with Water Regulation G4.4 & G4.11

Bellmouth fitting that enables it to become a climbing system!


Please click to see thermal resistivity calculators for 25 and 32mm PE pipe; please contact us for similar calculators for copper and other pipe materials – may be used in submissions to water companies as required.

Thermal calculator 32mm PE pipe

Thermal calculator 25mm PE pipe


Please note: pre formed pipe shown is a representation of our “hockey stick” and is sold separately to INSUduct. – please see distributors and stockists – most of whom carry the product most of the time.

Compliant with: ISG 9-02-02