Materials, explained.
Steel is never just steel. Where your piece stands, how often it is touched and how it should age decide the material. Here is what each finish does, what it needs and where we use it.
Samples
Free, sent within a week
Finishing
In-house, except galvanizing
Guarantee
10 years on galvanized parts
Brushed stainless
1.4404 · grain K320
Marine grade stainless steel with a directional brushed finish. Stays bright on balconies and handrails close to salt water.
Outdoors
Excellent, also near the coast
Care
Wipe down twice a year
Typical use
Handrails, balustrades, spiral stairs
Weathering steel
S355J2W · 3–10 mm
Builds its own protective rust layer within a few months. It needs no paint and darkens slowly over the years.
Outdoors
Excellent away from salt spray
Care
None, plan for run-off
Typical use
Facade screens, planters, landscape edges
Hot-dip galvanized
EN ISO 1461 · 85 µm
Zinc bonded to the steel inside and out by dipping the whole part. The finish that lasts longest outdoors, for stairs, gates and frames.
Outdoors
Very good, 50 years and more
Care
None
Typical use
External stairs, gates, structural frames
Powder coated
RAL 7016 · 80 µm
Any RAL colour baked onto a galvanized base, called a duplex coating. Our standard for gates, fences and canopies.
Outdoors
Very good on a galvanized base
Care
Wash once a year
Typical use
Gates, fences, canopies, railings
Raw mild steel
S235JR · mill scale
Hot-rolled steel with its natural blue-grey skin, blackened and waxed by hand. Every sheet keeps its own surface.
Outdoors
Interiors only
Care
Re-wax every few years
Typical use
Interior stairs, fireplaces, shelving