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Painting:
2 coats Robbialac Super Gloss Synthetic Enamel.
or
2 coats Synthetic Enamel Matt Finish
or
Acrylic Plastic Emulsion Paint.
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GIRDERS
In steel structures girders are often referred to beams & joists but certain pillars
in building structures can also be termed as girders. As girders are subject to
constant stresses it is most important that they are not allowed to become
weathered by corrosion.
Surface Preparation:  Same as “Iron & Steel”
Painting:
1 coat Robb. Red Oxide/ Zinc Phosphate/ Robb. Red 
                                                   Lead Primer.
  
  2 coats Robb. Super Gloss Synthetic Enamel/                              
                                                   Aluminium Paint.