Mainspray or internal anaerobic spraying is an advanced method of joint repair, combining the latest electronic location and advanced chemical engineering that providing a unique method of joint repair of all pipe from 3”-48”.

Using the latest technology in joint location and spraying, considerable savings can be made in excavation, reinstatement and time. The specially designed electronic joint location system coupled with the internal spray head allows accurate location of joints and pin-point delivery of sealant into these joints.

Depending on pipe size and obstructions up to 60 metres can be pushed in each direction from a single drilling i.e. a total of some 120 metres of main can be treated from a single excavation.

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