0
votes
1answer
100 views

How do I paint a metal sheet fence with a spray gun?

I am looking at painting a metal sheet fence with a spray gun. How do I calculate the amount of paint needed? What are the preparations that I need before painting, should I use a primer, do I need ...
1
vote
1answer
2k views

How do I properly prepare newly-finished drywall for priming?

What is the minimum amount of dust that can be left on a wall before it adversely affects primer application? If it has to be completely free of dust, how do you get it all? Taking a damp rag over ...
17
votes
7answers
82k views

How do I prepare an already painted wall for new paint?

We are repainting a number of rooms in our home, do we need to put primer over the existing paint? Are there any other gotchas that we need to prepare for before repainting the walls?