How To Paint Zinc Roof

Access the rusted galvanized metal roof using an extension ladder.

How to paint zinc roof. Allow the zinc plating to dry for three hours. Scrape rust from the roof using a wire brush. Galvanized roofs require the use of a different paint than what is used on terne metal. Apply a generous amount of paint across the entire roof.

Brush vertically applying slight pressure. Wash the brush or roller you used for the primer or get a new one. Coat the zinc plated metal with galvanized metal etching primer using a roller and a shed free roller cover. Stop and smooth the wet etching primer using a polyester paintbrush.

Finish coatings once you have applied your sealer to your zinc or aluminium coated steel roof zincalume then you can apply your two coats of with roofbond roof paint. How to prepare a rusted galvanized metal roof for painting. Terne metal roofs are extremely long lasting but because they look very similar to galvanized metal a person can unknowingly invite problems if they use the wrong paint. Terne is best painted with an oil based paint.

Wait a full 24 hours for the roof to dry. Apply a coat of paint to the entire roof. Roll one three by three foot section at a time.