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Rectangular Corten Steel Planters
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Corten steel is a metal alloy consisting of iron, to which copper, phosphorus, silicon, nickel and chromium have been added. When exposed to the outside air, the material is covered with a protective layer of rust. This natural layer of rust forms the protection against further corrosion. This gives the planter a long lifespan.
Specifications:
5 year warranty.
Corten steel planters are very strong, wear-resistant, weather-resistant, low-maintenance and durable.
Including feet and drainage holes. This ensures that the planter floats a little above the ground (15 mm) and has optimal drainage.
Standard material thickness of corten steel is 2 mm. Other material thicknesses are also possible.
Products are delivered unrusted. The rusting process of corten steel takes about 4-5 months, depending on the weather conditions.
The rust can be fixed by applying Owatrol. This is a penetrating rust inhibitor that forms a protective anti-rust coating. Owatrol protects the planter and stops the rust on corten steel flaking off.
We do not recommend using corten steel within 2 km of a coastline. See our blog post “Corten Steel and Coastal Sites” for more info.
Important points to note:
Products should be unpacked immediately upon receipt, so that any moisture between the packaging and the product is not trapped. This can cause irregular rust spots.
Ensure good drainage.
Do not use an overflow pipe; no excess water may remain in the corten steel planter. The material can then rust through due to a combination of oxygen and soil.
Do not use hydro grains: they retain moisture.
During the rusting process, rust water may come off the product.
The warranty will be void if you drill or grind in a manner not prescribed.
PLANTING ADVICE:
Provide the bottom with a layer of pebbles Ø35 mm sorting (approx. 10 cm).
Place a water-permeable anti-root cloth over the pebbles.
Cover the anti-root cloth with soil that is suitable for your type of planting.
Do not use an overflow pipe; no water should remain in the corten steel planter.
