If the white is glossy, I would use a white primer. If not,then I would put paint colour directly/
As long as the original paint is intact, you do not even need a primer. The advantage about using a primer is that it might help to hide the old color easier, but you will have to buy the primer AND the paint that you like. Is the existing paint latex? Is the new paint latex? Is there any bare drywall? Unless there is something that we don't know, I would just buy enough paint to paint the wall 2 coats. If you want to prime it, you can have the primer tinted a little to get you closer to the color that you have chosen, but it will be more trouble and work than is necessary.
Usually a second or sometimes third coat will cover the white show-through. If you later on wish to change the dark color to a light color, you will definitely need to primer the wall probably with two coats before bringing the color back up to a lighter color.
If you are painting on a metal roof, you definitely need a primer first.
Yes, Bulls Eye 1-2-3 will work well as a color-change primer. Depending on the color, however, you may not need a primer. Bright reds and yellows need help normally, but most colors will cover in two coats.
If your gloss white is good quality, then a single coat should cover a grey primer.
Yes.
Yes, it is recommended to use a primer before painting walls to ensure better adhesion, coverage, and durability of the paint.
As long as the original paint is intact, you do not even need a primer. The advantage about using a primer is that it might help to hide the old color easier, but you will have to buy the primer AND the paint that you like. Is the existing paint latex? Is the new paint latex? Is there any bare drywall? Unless there is something that we don't know, I would just buy enough paint to paint the wall 2 coats. If you want to prime it, you can have the primer tinted a little to get you closer to the color that you have chosen, but it will be more trouble and work than is necessary.
Yes, it is recommended to use a primer when painting over existing paint to ensure better adhesion and a smoother finish.
Yes, the primer should be applied evenly before painting to ensure a smooth and uniform surface for the paint to adhere to.
yes because if not it it will rote
Yes, it is generally recommended to apply two coats of primer before painting to ensure better coverage and adhesion of the paint.
Usually a second or sometimes third coat will cover the white show-through. If you later on wish to change the dark color to a light color, you will definitely need to primer the wall probably with two coats before bringing the color back up to a lighter color.
Yes, it is generally recommended to use primer when painting over existing paint to ensure better adhesion and a more durable finish.
Yes, primer is recommended before painting walls to ensure better adhesion, coverage, and durability of the paint.
Yes, using a primer before spray painting can help improve adhesion, coverage, and durability of the paint on the surface. It can also help achieve a smoother and more professional finish.
Yes, it is essential to use specially designed primers on Aluminium, I recommend using Hammerite special metals primer before painting.