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Why Do Wooden Fence Posts & Utility Poles Rot Through At Ground Level & Fail? (2 of 2)

Posted By  Postsaver Team  On September 23, 2014

Why Do Wooden Fence Posts & Utility Poles Rot Through At Ground Level & Fail?

Our customers tell us that this is leading to a reduction in pole and post lifespan. This is bad enough for a domestic fence post but much worse when the pole is being used to support high-value commercial vines, fruit trees and plants or stock fencing to prevent livestock straying.
Take the example of 1000 poles used in the vineyard. With failures occurring on a regular basis throughout the life of the pole population, it is not unusual to see annual replacement rates typically running at 6 to 10%.

And the cost of this? Around £1800-£2,400 per year per 1000 posts installed, including post cost, labour, fuel overheads etc. Or £18,000 - 24,000 every 10 years. Never mind the damage that might occur to valuable vines trees or plants in the meantime.

So looking at this in context, the initial cost of the post at a few pounds each is virtually insignificant in relation to the lifetime cost of installing and replacing the poles or posts as they fail.

The simple solution to this problem is to use a ground line barrier sleeve such as Postsaver ground-line barrier sleeves. They are flexible and elastic and maintain the barrier when the wood moves, shrinks or cracks with a seal being maintained over even the largest of cracks. They can be used with all preservative types, including creosote and copper-based preservatives.

Why do wooden fence posts rot through and fail at the ground level? Image showing soil cross section of a unprotected and Postsaver fence post in the ground

Sleeved posts can be installed in any of the normal ways including being driven in, the tough dual-layer construction being damage resistant in the stoniest of ground conditions a claim backed up by the hundreds of thousands of sleeved posts installed in this way without problems.

The Postsaver system has been subject to rigorous independent field testing with excellent results, the field test data showing failure and heavy decay in the standard preservative-treated control samples whilst the Postsaver protected samples are almost totally decay free.

These results are backed up by the millions of Postsaver protected posts in service without a single reported failure to date.

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Postsaver manufacturers and supplies guaranteed ground-line barrier sleeves that are proven to extend the life of fence and gate posts. With over 7 million sleeves supplied to date, our patented sleeves have been proven in volume use around the world since 1994.
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*When applied to posts that meet the requirements of BS8417:2012 - UC4 (Use Class 4). See guarantee for details
**Based on not having to replace your fence in 10 years time due to post failure.


Postsaver uses long term independent test data on the effectiveness of barrier sleeves to reach all the conclusions given on this website (test data available on request). Based on this data, Postsaver believes longer life, maintenance of strength over time, improved safety and reliability, extended inspection periods and reduced maintenance requirements are reasonable claims. This is subject to Postsaver products being correctly applied as per our instructions and used on correctly preservative treated (for long term in-ground use - use class 4 or higher) wooden fence posts that are free of decay at the time of sleeve application. The claims made, real or implied are not warranties. It is the responsibility of the user to evaluate and satisfy themselves that the performance of the product meets their specific safety, reliability, extended inspection, repair and any other performance or cost-benefit criteria before using Postsaver sleeves
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