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Diamond Wood Rail Fences
Diamond Wood Rail Fencing
- Also known as Knee Rail fencing or Birdsmouth fencing
- Ideal for use for demarcation or around car parks
- All timber used throughout is superior quality Jakcure® treated softwood guaranteed for 25 years
- Galvanised strap for longer life
- Planed finish
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Diamond Rail / Knee Rail Fencing
Posts for diamond / knee rail fencing with birds mouth top, 100 x 100mm section, softwood planed finish. Galvanised strap to secure post to rails with 50mm nails.
Rails for diamond / knee rail fencing are 75 X 75mm nominal section. 2.7m (640600) or 1.8m (640300) long. (posts are set at 1.35m centres)
We have a number of fences used for demarcation, also view the following:
If you'd like to install this product yourself, take a look at our instructions by clicking the button below:
Installing Diamond Rail Fencing Instructions
Why is it called Birdsmouth fencing?
Birdsmouth post and rail is called so as the posts in which the diamond shaped rail sit into, look like an open birds mouth.

Approved Installers Network
Our network of Approved Installers are high skilled, carefully selected, reputable fence installers who we trust to install our high quality timber products to the highest installation standards. If you are interested in installation by one of our Approved Installers please click "Add installation to basket" below. We will be in touch shortly after processing your order to discuss installation.
Products in Diamond Wood Rail Fences
Just update the quantities of each item you wish to buy and click 'Add all to basket'
Just update the quantities of each item you wish to buy and click 'Add all to basket'
Related Products
Find related products for your order. If you cannot find the item you are looking for, please do not hesitate to call our friendly sales team.
Shopping with us
We offer the longest guarantee in the industry for manufactured timber products.

Established for over 75 years, our staff are ready to help with a wealth of knowledge and expertise
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Find out more about our market leading 25 year guarantees for service and timber treatment
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Use our online tools to plan and price your Fencing, Gate or Decking project.
Get StartedFeatherboard Fence Calculator
Enter the run length and height, to calculate the items required:
You will need bays consisting of posts, pales, rails and Gravelboard(s).
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