Painting Rusted Galvanized Metal Roof

How to prepare a rusted galvanized metal roof for painting step 1.

Painting rusted galvanized metal roof.

Apply a rust proof primer to the galvanized metal with a paint brush. Let the roof dry out thoroughly before applying noxyde coating. Wash the galvanized metal using a pressure washer. You can apply something like ospho affil.

Use a primer designed for use on metals. Apply a second coat. A paint which will stick well like self etching primer is good and it s necessary if you have real rust. Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint.

All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Refresh rusted metal with new paint. Wait a full 24 hours for the roof to dry. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.

Scrape rust from the roof using a wire. Metal roofs are prone to rust because they are constantly exposed to the elements. Allow the primer to dry completely. You can update your roof and prevent further rusting by cleaning it up and giving it a fresh coat of paint.

The secret to painting galvanized steel is white vinegar. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface. Instructions on how to paint over rust. If you have a kitchen then you probably already have this handy solution.

Roller brush or paint sprayer. Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole roof.