Galvanised Steel Roof Paint

If it s a newer roof the galvanizing can definitely cause you adhesion problems.

Galvanised steel roof paint. To ensure that you know what kind of metal your roof is made out of and what kind of paint you should use ask a professional roofer to inspect your home. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. Many metal roofs are made out of galvanized metal which is a type of metal that has been covered with hot zinc in order to protect it from the weather. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof. However paint on metal roofs often peels or rusts in which case it is time to repaint it. Water resistant metal roofing paint for example can be of great value if you live in a rainy area. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.

Find either oil based or acrylic based paint at your local home improvement store. The secret to painting galvanized steel is white vinegar. Introduce your secret weapon. If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking.

Unfortunately over time this coating can fail leading to minor rust outbreaks. You can also use oil based alkyd paint but. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. Galvanized metal roofs are usually painted with acrylic based paint.

Link to product info on amazon first might be a good idea. Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. Not using a sealant. If you have a kitchen then you probably already have this handy solution.

Another mistake is to forget or ignore using a sealant before the application of the metal paint. Get off as much paint or rust as you can. Sta kool 805 metal x is a tough white elastomeric roof coating that is formulated for exceptional bonding strength to metal roof surfaces. Avoid using alkyd based paints such as spray paint on galvanized steel.

If it s quite old and rusty any primer for metal followed by any outdoor paint designed for metal is probably okay although a rust converter affil. Metal x expands and contracts with the roof s movement to resist cracking and peeling.