When spraying a roof with water based acrylic paint at least a 017 inch spray tip preferably of the reversible type should be fitted.
How to spray paint a tin roof.
If you happen to have an airless spray.
Here s how to make sure you make the right calls while addin.
If crawling around on a metal roof in.
Apply a generous amount of paint across the entire roof.
Carefully overlap the layer you applied previously until the tin roof is fully painted.
Apply the first coat using a paint sprayer in slow even passes for the entire length of the roof.
Again work from your ladder as much as possible.
Larger airless spray tips such as a 018 inch or 019 inch can also be used if it is a large roof and the spray painter is experienced in using airless spray equipment.
Painting metal roofing provides you with a number of steps and decisions throughout the process.
You need to use paint that is both for metal and for outdoor use as it will usually contain a metal protector.