The roof was power washed and a metal putty knife was used to scrape the rust and old paint.
How to paint old tin roof.
Apply a generous amount of paint across the entire roof.
This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
As you can see from photo a the paint had peeled off and the roof rusted.
Carefully overlap the layer you applied previously until the tin roof is fully painted.
Apply a coat of paint to the entire roof.
How to paint a metal roof.
Not using a sealant.
Wash the brush or roller you used for the primer or get a new one.
Rectify this by hand painting.
Painting metal roofing provides you with a number of steps and decisions throughout the process.
A wire brush or sandpaper may help loosen tough areas of paint.
One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old metal roofs for an added layer of protection.
An examination showed that the metal was solid with a few small holes.
Scrape away any loose or flaking paint using your putty knife.
Terne is best painted with an oil based paint.
The first job was to scrape all of the loose rust dried paint chunks and old roof cement.
Methods a simple paint brush is all you need to paint a tin roof.
Remove all rust using your wire brush or sandpaper.
You can also use oil based alkyd paint but.
Use a latex brush for latex paints and an oil based brush for oil based paints otherwise the brush will quickly ruin.
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.
For larger areas you can use a spray rig for faster application.
Cleaning priming and painting a metal roof to c.
How do i repaint a metal roof on an old house.
You may not be able to cover the entire tin roof with the sprayer.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Again work from your ladder as much as possible.
Sand the entire metal roof surface very lightly with your wire.
Apply the first coat using a paint sprayer in slow even passes for the entire length of the roof.