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Hot-dip galvanizing entails immersing the prepared metal in molten zinc, resulting in a thick, durable coating that provides excellent corrosion resistance. On the other hand, electro-galvanizing uses an electric current to bond the zinc to the surface, producing a thinner but more uniform layer. Once the galvanization is complete, the windows undergo further processes such as painting or powder-coating to enhance their aesthetics while providing an extra layer of protection against weather elements.
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In terms of wrought iron gate construction, U-frames or gate frames are the ‘backbones’ of gates and the metal frame pieces that go down the side and across the bottom of a gate. Different manufacturers take different approaches when it comes to U-frames, however, fully welded frames that go down the sides and across the bottom of a gate in a U shape will ensure the gate won’t sag.