The 3.0m (10ft) x 100 x 100mm wooden fence post is the largest timber post combination in this range, pairing the longest available length with the broader 100mm square section. It is intended for fencing layouts that genuinely need both additional post length and a more substantial support.
The 100 x 100mm square section gives a broader fixing face and a more substantial support than a 75mm post. It suits fence runs where a heavier timber post is preferred, including substantial panel fencing and site-built timber boundaries. The 3.0m length is intended for projects where a standard 2.4m post does not provide enough overall timber. That may be because the fence is taller, the site changes level, or the installation needs a greater below-ground allowance. It gives the installer room to deal with those conditions without relying on marginal post length.
Set the fence line out before digging so the post centres suit the actual panels or rail system rather than an assumed bay width. Keep each post plumb in both directions and check the top line as the run progresses. If the posts are being set in concrete or post mix, select a suitable material from the cement products range and follow its installation instructions rather than relying on one fixed amount for every hole.
Because 3.0m posts are heavier and provide more leverage above ground when used at greater heights, the complete fence design matters. Match the post section, panel or rail system and installation method to the actual site rather than choosing the longest post automatically. If the required post length is not obvious from the planned fence height, use the fence post length calculator before ordering. It is better to select enough overall length at the start than to discover after digging that the post cannot provide both the desired visible height and the necessary below-ground section.
The timber is pressure treated to improve resistance to fungal decay, rot and insect attack. The brown treatment gives new timber a warmer appearance that coordinates naturally with similarly treated fence panels and fencing timber. As with any natural timber product, grain, knots, colour and surface character vary from post to post and the appearance will continue to weather outdoors. The wooden fence posts range includes 75mm and 100mm sections in 1.8m, 2.4m and 3.0m lengths, so compare the complete combination rather than choosing on length or section alone.