Terne metal has been phased out due to the public outcry about the dangers of lead even though no specific health threat was ever discovered coming from the use of terne.
Can you paint a tin roof a different color.
To help the primer and paint adhere to the roof better try lightly scuffing the surface of the metal.
Although it s natural for even the most quality paint job to eventually deteriorate most of the time when paint begins to peel early it s either because the painter applied the wrong kind of paint or used improper preparation techniques.
Take special care not to put any holes in the metal.
Since there are a wide variety of metal roof colors available you probably won t need to paint your roof within 6 months of installation anyway.
If little or no color comes off on the rag then you have oil paint.
To prep metal for paint adhesion you must.
However you can also go with other colors such as red or even black as long as it s a cool roof rated color.
If the color does come off you have an acrylic paint.
Simply wet a rag with denatured alcohol and rub a spot with it.
If you ve ever tried to make paint stick to a tin roof you know just how frustrating it can be.
Due to its slick smooth surface metal can be challenging to paint and that can you ve got sitting around in the garage probably won t cut it.
For instance if you re painting a smaller roof you might use 80 120 grit sandpaper or a wire brush.
Terne roofing was made by producing the shingles or roof panels out of one of several different types of base metal and then coating the panel with a mixture of lead and tin.
You can also use oil based alkyd paint but.
Don t worry about patches where the paint is in good shape as you can simply paint over those.
Step 1 scrape any existing flaking paint off of the metal roof with a putty knife.
If you can t get peeling chips for some reason there is another way to tell if the roof has oil on it.
If you want to paint a new metal roof though you can prepare it by washing with a weak acid such as diluted vinegar to remove oils and residue first.
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.