What are hollow concrete sleepers, and how do they compare to solid, steel-reinforced sleepers? A factual look at strength and durability.
Panel and post or sleeper and post? A straight comparison of strength, appearance, availability and cost to help you choose.
What does a panel and post retaining wall cost? What drives the price, and how it compares to a concrete sleeper and post system.
What is a panel and post retaining wall? How the system works, where it's used, and how it stacks up against a sleeper and post wall.
Weep holes or ag pipe - which does your retaining wall need? Why they work together, not as alternatives, and what a complete drainage system actually requires.
How far apart should weep holes be in a retaining wall? Spacing, placement height, and row spacing for taller walls - matched to RWD's own published guidance.
What are weep holes in a retaining wall? How they work, AS 4678 guidance, and why they're secondary drainage, not a replacement for ag pipe.
How to set a retaining wall steel post in concrete — mixing, pouring, levelling and cure time before backfilling or loading the wall.
How much concrete do you need per retaining wall post hole? Quantities by post size and embedment depth, plus a link to our Material Estimator.
Rapid set, post mix or standard concrete — which suits your retaining wall post footings? Cure time, strength and cost compared.
What concrete do you need to set retaining wall posts? Rapid set vs standard post-hole concrete, minimum strength, and how much you'll need. AU guide.
Learn what affects under-fence plinth prices, including plinth size, finish, delivery, site access, and installation. Compare estimated costs per plinth and per metre, as well as the potential cost difference between a plinth and a full retaining wall
