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Can I use Spirafix for a timber building and decking project?

Can I use Spirafix for a timber building and decking project?

Monday 24th September 2018

As part of our education strategy we've include here one of our most frequently asked questions -can I use Spirafix for a timber building or decking project?

We have had our spiral anchors tested for this application and they are suitable. Spirafix ground anchors will sustain at least the same load when being pushed into the ground as when be pulled out. However, the requirement for a foundation application is that any building load must be sustained over a long period of time. This will cover ground conditions at their weakest, which is during prolonged wet weather. Also clays will have surface heave and shrinkage during these climatic changes. This means that any anchor being used needs to be de-rated for this application and that a sufficiently long enough anchor is used to provide stability. In practice a 50mm diameter by 1 metre long anchor is suitable and load of up to 500kgs per anchor can be expected. The big advantage in using Spirafix anchors is that no concrete is needed, little excavation has to be done and the project can be completed in less time.
Our spiral or helical anchors are impact in / hammer-in anchors - they drive down into position on their own helix.
Also known as ground screws Spirafix products are designed and manufactured in the UK.

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