You need to apply a rust retardant primer to protect the roof from developing rust.
Can you paint a rusted tin roof.
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.
Galvanized metal roofs are coated with a layer of zinc that inhibits rust.
Step 2 prepare the metal.
Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole roof.
Before you replace your roof talk with us as we have alot of experience in rusty roof coatings and a huge range of suitable products to accommodate all applications while you cannot remove the damaged iron totally you can utilise special paint coatings to stop the rust dead in its tracks and avoid more damage plus get a solid durable coating.
Removing dirt oil and debris is just one part of a two part process to prepare a tin roof for painting.
If you ve ever tried to make paint stick to a tin roof you know just how frustrating it can be.
One issue that tin roofs have especially older ones is that they can get worn out and rusty rather quickly.
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.
You can update your roof and prevent further rusting by cleaning it up and giving it a fresh coat of paint.
You can apply something like ospho affil.
Unfortunately over time this coating can fail leading to minor rust outbreaks.
You cannot set up roof jacks on a metal roof as you can on a shingled one so if you plan to paint with a brush or roller include a safe way to reach the ridge in your plans.
Regular exterior house paint will not protect your tin roof from rust.