Spiral Void Tube

An Ideal low cost, light weight, non-porous cell former within concrete bridge decks. Can also be used as column formers.

Bluebay Galvanised Spiral Void tubes are manufactured from a pre-galvanised cold rolled steel strip, ST EN 10139, this prevents rust from occurring after manufacture and it can be stored outside for a long period of time. It is supplied in a standard thickness of 0.3mm and 0.4mm depending on the diameter, other thicknesses are available on request. Stocked in the UK in lengths of 3 metres as standard, however we offer a cut to length service to suit your site specific requirements, Leaving no waste.

Void Tube Formers are watertight, therefore avoiding any foreign particles entering the internal part of the tube when concreting or
vibrating.

Sizes : 40mm 150mm, 3mt long (other sizes available on request)