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The scientific research history of Vaporooter

The infiltration of the tree roots in the sewage pipes has been a very destructive, time and money consuming issue for many decades. Traditional methods of clearing the pipes, including root cutting, usually led to costly emergency interventions that sometimes even included replacing or relining the pipes. As the blockages and overflows of the drain pipes recur regularly and the tree cutting solution is effective only in the short run and destructive in the long run, more efficient methods and technologies were needed.

The research in this direction started in 1966, when herbicide treatment was first taken into consideration as a solution for tree root infiltration. The research led at The University of California directed trials with 17 herbicides between 1967 and 1971.

The most effective combination of herbicides, which is currently used in Sanafoam Vaporooter II, was discovered in 1971, and consists of Metham Sodium and Dichlobenil. Although this mixture did soften and kill the invasive tree roots, the method of application was faulty. Initially, plugging the line was the way to introduce the herbicide mix into the problem area – an invasive and inefficient method.

The currently used method was only discovered in 1972 by Fred Horne, who suggested the foaming method, which allows maximum exposure of the root to the herbicide, thus maximum efficacy. Although the method is most aggressive with the invasive roots, it does not affect the surrounding or above-situated plants and roots. Actually, the method and ingredient recipe make a great match, which does not have negative side effects or secondary victims. The biodegradable and non-acid features of the Vaporooter make it environment-friendly.

Plus, the Vaporooter method does leave room for natural processes. After killing the roots, it allows these to naturally decay throughout a period of six months. Due to the natural decay, the clearing of the pipes is not immediate and a retreatment is recommended. Treating and retreating your pipes with the foam gives a long-term solution to a difficult problem. Vaporooter solves the tree root invasion problem, prevents future infiltrations, blockages and overflows and prolongs the life of the drain pipes.


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