In previous articles, we have discussed how to install wooden fence posts in situations where it is possible to set the fence post in concrete or Postcrete. However, where it is not possible to install a concrete foundation, there are other methods for ensuring your fence will remain strong and stable; these include fence post support spikes and bolt down fence post supports.
What are bolt down fence post supports?
Bolt downs, or fence post support brackets, sit flat on the ground and are bolted or screwed into position at all four corners of a base plate. The fence post is then inserted into the support and retaining bolts are tightened to hold the post securely in place. As the fence post is installed above ground level, it is protected from damage through water and insect infestation.
Where to use a bolt down
Bolt downs are ideal for use on patios, concrete surfaces and timber bases. They can also be used on ground that is too hard to drive a post into.
Features of bolt down supports
Quick and easy to install.
Made from galvanised steel with a powder coating for double the protection against corrosion.
Bolts provide a secure fit around the fence post.
Strong and durable.
Protects the fence post from decay and damage.
Easy to replace fence posts in the future.
What are fence post support spikes?
Used when installing fence posts, these are fence post supports in the form of a spike with a box at the top into which the post is placed. The spike is driven into the ground and, once level, the post is secured into the box which is tightened around it for a snug fit.
Installing support spikes
Although a fairly straightforward process involving a mallet or sledgehammer, it is important to ensure the spikes are level, so always use a spirit level and readjust the spikes before inserting the fence posts. Where you are installing spikes into uneven ground, they may need to be driven into the ground at different depths to make up for the uneven surface. Again, check with a spirit level after each spike is installed. A spike may twist as it is hammered into the ground if force is applied off-centre. This can be avoided by turning the spike slightly to allow for possible twisting.
Features of support spikes
Easy to install.
Made from galvanised steel with a powder coating for double the protection against corrosion.
Bolts provide a secure fit around the fence post.
Strong and durable.
Protects the fence post from decay and damage.
Easy to replace fence posts in the future.
Fence post supports from Witham Timber
At Witham Timber, we supply bolt downs in a choice of three sizes, and support spikes in three size options. All our post supports are manufactured from powder coated galvanised steel and feature bolt tight grips. To help with the installation of support spikes, we also stock a Metpost driving tool which is made from heavy duty epoxy and is ideal for hammering spikes into the ground. When securing bolt down post supports, we recommend thunderbolts.
If you need any further help with installing timber fence posts, our experienced sales team will be happy to advise. Simply email us at sales@withamtimber.co.uk or call us on 01205 359188.