Home made fence post holder driving block We would suggest you drill a hole a couple of centimetres from the top of the block, all the way through, and thread through some sturdy rope to make a loop, or a piece of reinforcing bar (rebar) to act as a handle, like the one in the image below. You could make your own driving block by cutting a short length of fence post and using that as a block. This allows you to hit the spike as firmly as you like without the risk of bending the sides of the post holder, which would prevent you slotting the post into the holder. Selection of metal post holder driving blocks Note: Remember to ensure that you keep the post holder totally level as you drive it down into the ground – more on this below You push the fence spike into the ground as far as you can by hand, then slot the driving block into the top of the fence spike and hit the top of the block with the hammer or mallet. The metal spikes are simply driven into the ground with a sledge hammer or mallet but it is really advisable to put a driving block into the fence post spike first (shown in the image below). Metal post holders and spikes solve the fence post problem in most ways. Using timber uprights to create structure in a garden – Image courtesy of Judi Samuel Garden Design Using a Fence Post Holder Driving Block
#Whatsize post hole for metal post install
You can also use this size to install upright timber structures into your garden to create different zones, and to add height and interest by breaking up planting areas (see example below). This size would be best for fences in exposed areas, long expanse of fencing, gazebos which will be supporting a roof and pergolas if you want a more chunky-looking timber structure. Again we would recommend that you use the longer 750 mm spikes in light sandy soils or for taller posts – higher than 4 feet (1.2M). It is also a good size for pergolas and washing lines. This size would be suitable for fences in most conditions – except in really exposed areas. Use the longer length in light sandy soils or for taller posts – higher than 4 feet (1.2M). It is also ideal for fixing signposts – again this is the size used by estate agents for their signs. This size would be suitable for putting up posts for trellis structures so that climbing plants can scramble up them, this means there is space for the roots to grow and you are not taking up sections of your bed or border with blocks of concrete. The longer the spike the more secure the fixing will be for your post.ĭo not use the shorter post holders for tall fences, they’re simply not up to teh job and as soon as they are subjected to any substantial wind they will likely fail. They come in two lengths, 600mm and 750mm. If you use the ones that need screws then don’t forget to order enough rustproof screws! We would suggest using decking screws in this instance.įence post spikes can be bought for posts which are 50 x 50mm, 75 x 75mm or 100 x 100mm. You can see a selection of different models above, some with built in fixing bolts (which we prefer) and some which have holes for you to screw the post to the holder, which are usually cheaper. The spiked fence post holders come in different sizes for different posts.
This obviously depends on the size of your post and the height of your fence, or other structure. Selection of metal post holders What Size Fence Spike do I Need? It might not even be a fence post you wish to secure, there are other areas where you would want to put up a post or timber upright, including posts for washing lines, garden arches or trellis, also other garden structures such as a gazebo or pergola need posts or indeed many decking installations require posts secured into the ground for the deck to sit on.
#Whatsize post hole for metal post how to
While the most common way to fix fence posts is to concrete them in and our project on fence posts shows how to do this, there are many occasions when concreting is not an option.įor example when the neighbours’ patio is right on the boundary, and you will have seen estate agents signs being put up using post holders.įor years Metpost or post spikes have been the biggest supplier of fence post holders, or post spikes, but now there is much more of a choice with other manufacturers producing similar products. There are several ways to fix, anchor or support fence posts which include using a metal post holder (or Metpost or post spike as they are also known), digging a hole and using concrete to secure the post, or post ramming which is a bit like pile driving for fencing.
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