Welcome to the paint talk professional painting contractors forum.
Painting a tin roof forum.
Roof painting is tricky.
The paint that sticks well to rusty bare metal does not bond well to galvanize and vice versa.
Roofing gutters and all waterproofing anywhere painting old tin roof our old tin roof has gotten pretty rusty but we can t afford to replace it yet.
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Galvanized steel on the other hand cannot be painted with an oil based or aluminum based paint.
Step 2 prepare the metal.
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If the metal was tin plate or terne plate ok.
One issue that tin roofs have especially older ones is that they can get worn out and rusty rather quickly.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
You ll also need to purchase a primer designed for metal roofs.
To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.
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It only has patches of silver paint left on it.
If the metal was galvanized can be more difficult.
If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.
Make sure the roof is bone dry before starting.
For larger areas you can use a spray rig for faster application.
Galvanized metal roofs shed more easily than shingles or tiles and this makes them useful in places where leaf acorn and pine and redwood needle buildup is a problem.
A simple paint brush is all you need to paint a tin roof.
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My house was built circa 1880 and still has its original terne metal roof which consists of individual metal shingles with an embossed decorative pattern.
Use a latex brush for latex paints and an oil based brush for oil based paints otherwise the brush will quickly ruin.
Metal roofs do not need.