Can I just paint over old paint?

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1. How do you paint a roller without leaving the lines? How do you paint a roller without leaving the lines?...
2. Why is MAGS mute in the Hunger Games? Why is MAGS mute in the Hunger Games? She mumbled every time she spoke; Katniss believes it is because of a possible stroke she may have had in the past. While in training for the third Quarter Quell, Katniss watched as Mags displayed her skill of being able to make...
3. How hard do you push on a paint roller? How hard do you push on a paint roller? Starting a few inches from the bottom of the wall, apply a stroke of paint upwards with even pressure. Don't press too hard on the roller, as the fibers of the roller cover will get matted—let the paint do most of...
4. Why are my walls streaky after painting? Why are my walls streaky after painting? Sometimes the paint on the roller starts disappearing faster than we realize. Less paint means a lighter coat, resulting in uneven paint streaks on your walls. Thankfully the fix to this doesn't involve sanding. All you need to do is wait for it...
5. Does paint get darker with second coat? Does paint get darker with second coat? Applying a second coat of paint will not make the paint darker, but the paint may appear more vibrant if your first coat of paint was thin. For both acrylics and watercolors, a second coat of paint can help you achieve the bright...
6. How many coats of paint do you need? How many coats of paint do you need? Generally, you will want a minimum of two coats of paint – this is a good rule of thumb for any wall or ceiling you're painting. You'll rarely get a seamless finish from just one coat of paint, and even if you...