You don't have to dig holes any more for your fence posts. A new design allows you to drive a spike into the ground, then attach the fence post to the top of the spike. Nails, bolts or screws hold the post in place. The painted steel spike must be pounded into the ground with a sledgehammer until only a portion of the spike protrudes above the ground surface. A handful of manufacturers offer these post-bottom spikes so you can install a fence post without digging a hole.
Tape a corner level to the corner of the post housing on the steel spike, using duct tape.
Insert the wood block into the post housing of the spike. Ensure the block's width is compatible with the spike design's post housing.
Position the tip of the spike over the ground where you want to install the post.
Hit the top of the wood block with the sledgehammer until the spike stands on its own.
Inspect the level to ensure the spike is going straight into the ground.
Step back and hit the spike until it sinks all the way into the ground.
Remove the wood block and the level from the post housing.
Insert the post into the post housing.
Fasten the post to the post housing with screws, nails or bolts. The type of fastener will depend on the manufacturer's recommendations. Use an electric screw gun for screws, a hammer for nails and wrenches for bolts.