About GAF Metal Roof Primer

GAF Metal Roof Primer is a water-based, medium viscosity, premium-quality acrylic primer. It is effective in enhancing adhesion over metal substrates providing protection against rust and corrosion (formerly known as Acrylex 400 Primer).

Features & benefits

Product Documentation

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Resources for every professional

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Contractors

We’re building new plants for greater capacity, and better systems for faster response and greater visibility.
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Property managers & owners

Whether you manage one property or many, we’re building the products and programs you need to reroof, restore, or maintain your investment.
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Roofing suppliers

Find tools, documents, and training designed by GAF to help you serve your customers.
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