How To Paint Zinc Roof

Wash the galvanized metal using a pressure washer.

How to paint zinc roof.

Terne is best painted with an oil based paint. Wash the brush or roller you used for the primer or get a new one. 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. Apply a generous amount of paint across the entire roof.

How to prepare a rusted galvanized metal roof for painting. Roll one three by three foot section at a time. Access the rusted galvanized metal roof using an extension ladder. 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.

Galvanized roofs require the use of a different paint than what is used on terne metal. Coat the zinc plated metal with galvanized metal etching primer using a roller and a shed free roller cover. Again work from your ladder as much as possible. If it is a new factory painted roof then you will need to apply a coat of apply shieldcoat s shieldseal w plus to the roof prior to applying you finish coats.

Allow the zinc plating to dry for three hours. Wait a full 24 hours for the roof to dry. Stop and smooth the wet etching primer using a polyester paintbrush.