Concrete sleepers can last 80 years, treated pine as little as 15. Here's how long each retaining wall material actually lasts, and what shortens or extends it.
Precast concrete plinths vs timber plinth boards for Colorbond fences - compared on durability, reactive-clay performance and longevity.
Timber costs less upfront, concrete lasts longer and needs no upkeep — here's the real trade-off between the two most popular sleeper materials.
