Allow the zinc plating to dry for three hours.
How to paint zinc roof.
Galvanized roofs require the use of a different paint than what is used on terne metal.
Roll one three by three foot section at a time.
Brush vertically applying slight pressure.
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.
Again work from your ladder as much as possible.
Apply a coat of paint to the entire roof.
Wash the galvanized metal using a pressure washer.
Apply a generous amount of paint across the entire roof.
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.
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.
Wash the brush or roller you used for the primer or get a new one.
Stop and smooth the wet etching primer using a polyester paintbrush.
How to prepare a rusted galvanized metal roof for painting.
Scrape rust from the roof using a wire brush.
Wait a full 24 hours for the roof to dry.