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Bare aluminum (mill finish) is generally a smooth surface that reacts to air to form a thin powdery layer of oxidization. It appears polished or unpolished and poses challenges for paint adhesion.
Ensure the surface is clean and free from dirt, grease etc. If a white corrosive deposit is present, lightly sand to smooth and remove. Scrub with a non-metallic scouring pad or abrasive. Wipe the entire surface with methylated spirits frequently changing the cloth to thoroughly remove all grease.
Prime all bare metal with 1 coat Super Grip Premium Problem-Solving Primer and allow to dry thoroughly
Use Ulttima Plus Acrylic Porch & Patio Enamel, Ulttima Plus Satin or Gloss (emulsion or oil) or Pro Speed Cover Gloss Emulsion.
Contact us for industrial and specialist high performance coating systems
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From Aluminum to Zinc and everything in between, this handy guide is a life-saver with specifications from our Vice President of Technical and Head of Innovation (who has been designing formulas specifically for the Caribbean environment for 30 years) identifying the exact coating system you’ll need to guarantee success in coating virtually any surface.
This guide details coating systems to effectively colour, coat and protect virtually any surface encountered in standard construction, renovation and maintenance environments. It provides an outline of the preparation required for successful coating and identifies recommended coating systems for a variety of substrates as well as how to effectively solve surface challenges.
Note: While every effort is made to detail accurate and effective systems, specific project conditions are unknown and can be highly variable. This guide is therefore limited and outlines generally applicable principles. It is not a specification.
While Harris/ B-H Paints do supply specialist High Performance Coatings (HPCs) these fall outside the scope of this guide. HPCs are a class of technically advanced protective coatings designed to give superior levels of impact, abrasion and corrosion protection designed for aggressive environments including high traffic areas and in commercial and industrial applications.