Knowledge base
Expert advice on retaining walls, fencing, timber sleepers and landscaping — straight from the Wallan Fencing and Timber Supply team.
48 posts
150UB posts are the heavy-duty option for concrete sleeper retaining walls where extra strength is needed. Here''s when to specify a 150UB over a 150UC, what sizes are available, and how they''re used in retaining wall construction.
60mm galvanised steel posts are the go-to choice for low concrete sleeper retaining walls and garden edging. Here''s when to use them, what sizes are available, and how to set them correctly.
Building a timber gate from scratch is tricky — getting it square, keeping it square, and making it last. An adjustable steel gate frame takes the hard work out of it. Here''s what you need to know.
Using the wrong screw for fence palings is one of the most common DIY fencing mistakes. Here''s how to choose the right bugle batten screw size for your project — and why galvanised screws are non-negotiable for treated pine.
C-Channel posts are the backbone of every Colorbond fence. Here''s what they are, what sizes you need, how to set them correctly, and how to choose the right post for your fence height.
Not all Colorbond fence sheets are the same. Here''s how to choose between Trimfort and Zigzag profiles, what sizes are available, and how to calculate how many sheets you need for your fence in Wallan or Mitchell Shire.
Post caps are the last thing most people think about when building a Colorbond fence — but they''re one of the most important. Here''s why double caps matter and how to fit them correctly.
Need more height from your existing Colorbond fence? Post extensions let you add 300–600mm without digging out and replacing posts. Here''s how they work and when to use them.
A concrete under-fence plinth keeps your Colorbond fence sheets off the ground and prevents animals getting under the fence. Here''s the difference between plain grey and charcoal, and how to install them correctly.
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