All fittings are delivered untreated unless otherwise specified. Steel fittings that are installed outdoors must be carefully anti-corrosion painted before installation. In connection with the painting of carpentry, the fittings are also painted in the same color.
Until the 1950s, most steel fittings were delivered untreated. Some fittings began to be cadmium-plated in the 1930s. This surface treatment method was replaced in the 1950s by electro-galvanizing.
We offer the following surface treatments: (For each product, the available surface treatments are described).
Steel fittings: Without surface treatment, electro-galvanizing, hot-dip galvanizing, nickel plating, tinning, gilding.
Brass fittings: Without surface treatment, nickel plating.