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Treated Timber Posts 3×3″ | 75mm x 75mm

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Treated Timber Posts

Treated Timber Posts 3×3″ | 75mm x 75mm

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Treated Timber Posts 3×3 | 75mm x 75mmProduct Video

Our Treated Timber Fence Posts are made from carefully selected wood and are fully pressure treated to ensure a durable and stable fence post. These particular posts are suitable for supporting most types of timber fence panels and are guaranteed to be resistant against rot, decay and wood-attacking insects. Due to their extreme durability, our fence posts are suitable for domestic, agricultural and industrial purposes. These posts come in finely finished and having flat ends, smooth edges, pointed end or machine rounded end as according to purpose.

Our Treated Timber Fence Posts are available in multiple sizes, all serving specific purposes to fit any and all fencing requirements, including 3X3 4×4 and 6×6 variations:

Standard Lengths:

1.2 meter (1200mm)
1.5 meter (1500mm)
2.4 meter (2400mm)
3.0 meter (3000mm)


*Actual product dimensions may differ ever so slightly from those listed due to the treating process. 

Additional information

Weight N/A
Dimensions N/A

1.2 meter (4ft), 1.5 meter (5ft), 2.4 meter (8ft), 3 meter (10ft)

Timber Type

Fence Posts

Timber Grade

C16, C24

Post Size


Yes, 2 feet is the minimum depth to dig for your fence posts, but it also depends on the size and length of the posts.

Yes, treated timber will last longer and won’t rot away.

You can make a post waterproof by applying a coat of waterproofing wood sealant to the bottom of the post to protect the part going underground.

There is a couple of different options you can go for to protect your post underground, you could place a thick layer of loose gravel at the bottom of the post hole. This will prevent the wood from getting wet at the bottom.

To treat fence posts you will need to soak the bottoms of the posts in a wood preservative such as Cuprinol. This is designed for underground applications.

While tar is a way of protecting your posts, it doesn’t look great. If you treat them as soon as you get them or purchase a treated post, they will last a lot longer.

Pressure-treated fence posts can last a while underground. In optimal conditions, it can last up to 40 years but most commonly only lasts around 20 years.

Postsaver sleeves are a cost-effective and simple way of keeping your posts from rotting.

Yes, you should. Concrete is the best way to keep post in the ground securely.

How deep you dig is based on what size and length posts you have. If you have a 6ft tall fence it would need at least 2ft in the ground.