How to Prepare Watercolor Paper

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If you’ve ever painted a beautiful watercolor scenery only for your paper to buckle and warp as it dries, then you’ve experienced the frustration of every beginning watercolor artist. Most watercolor paper needs to be stretched before it can be used as a good painting surface and to ensure that it won’t crinkle when your paints dry. You can stretch the paper a day in advance for a perfect, smooth finish, or if you're in a hurry, wet the paper a few minutes before you start painting. Either way, these methods should stop your artwork from cracking under pressure.

Method 1
Method 1 of 2:

Drying the Paper Overnight

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  1. Gloves are useful because the paper is very delicate in water, and it can take on skin oil and fingerprints. These marks show through any paint you use later, so covering your hands is a good idea. [1]
    • If you don’t have any gloves to wear, that’s okay too. Just try to avoid touching the surface of the paper as much as possible.
  2. You will need a flat surface to hold the paper (your sink or bathtub will do). Or, you can use a tray or plastic tub with a flat bottom. Fill up the bottom of your tray will cool water that’s no warmer than room temperature. [2]
    • You can use trays that are smaller than the paper, but you’ll have to dip one side at a time.
    • If you don’t have a tray at all, you can use a spray bottle to dampen the paper instead.
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  3. Watermark wikiHow to Prepare Watercolor Paper
    Submerge the paper, laying it flat against the bottom of the tray. Check the paper’s packaging to find out the sheet weight. Soak sheets marked 90 lb (41 kg) for 3 minutes, and those that are 140 lb (64 kg) for about 8 minutes. [3]
    • The soaking time varies depending on the paper. The heavier the paper, the longer it needs to soak. Most watercolor paper companies have instructions on how long each sheet should soak, so you can check out their website if you’re not sure.
    • Try to bend the edges of the paper when you think it’s soaked long enough. If the edges are soaked enough, they won’t move. If the paper is too dry, the edges will flatten out; if it’s too wet, the edges will droop.
    • Note that 300 lb (140 kg) paper doesn’t need to be soaked before painting, since it’s heavy enough to withstand the paints without buckling.
  4. Watermark wikiHow to Prepare Watercolor Paper
    Use a board that will stay flat throughout the drying process, like polystyrene or Gator Boards. Lay the paper over the board, keeping the side you want to use facing up. [4]
    • You can also try plexiglass, Lexan boards, or marine plywood.
  5. Watermark wikiHow to Prepare Watercolor Paper
    While wearing the latex gloves, smooth the paper out to make sure it is flat against the board to push out some of the excess water. Dab a paper towel or a sponge all over the sheet to soak up any standing water, but try not to overdry it. [5]
    • Remember, you aren’t drying the paper with the towel or sponge. You only want to absorb and water that would run off the paper.
  6. Pick up a roll of gummed paper tape from an art or office supply store. Dip a paintbrush into the water, then spread it over the tape to lightly moisten it without washing off the adhesive. [6]
    • Instead of using a paintbrush, you can dip the tape in the water. Quickly dip the tape, then squeeze it between your fingers to drain excess water.
  7. Watermark wikiHow to Prepare Watercolor Paper
    Cover about 1 ⁄ 2  in (1.3 cm) of the paper on all sides. Press the tape down with your fingers to smooth it out and stick it to the board to hold the paper flat so it dries that way, too.
    • If the tape is giving you a hard time, staple the edges instead.
  8. Leave the board in a safe spot out in the open, such as on a counter or table. Pick a flat surface so the water dries more evenly. The paper will begin to dry after 2 or 3 hours, but you should try to leave it for about 8, just to be sure. [7]
    • You can try standing the board up and rotating it every 20 minutes. This prevents water from pooling around the tape, speeding up the drying process.
  9. Watermark wikiHow to Prepare Watercolor Paper
    Place a ruler over the tape, then cut along the edges with an X-Acto knife. Taking off the tape allows you to remove the paper for storage and reuse the board to prepare more paper. You do lose a little bit of the paper this way, so keep in mind how large your painting is before you start the process. [8]
    • If you don’t want to cut the paper, try dampening the tape again. If the adhesive gets wet, you may be able to peel the tape off of the paper.
    • If you used staples, just pull the paper off the board and pop the staples out by hand.
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Method 2
Method 2 of 2:

Painting on Wet Paper

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  1. Wet paper can fall apart on you and absorb the oil in your fingertips. To avoid having fingerprints show through your paint, wear the gloves as you handle the wet paper. [9]
    • If you don’t have gloves you can wear, that’s okay too. Just try to touch the paper as little as possible.
  2. Pick out a polystyrene board, a Gator Board, or something similar. Lay the board on a flat surface, then place the paper on top of it. Make sure the paper is flat so it dries flat, too. [10]
    • Since you’ll be working on this paper immediately, you can also gather your paint brushes and watercolor paints.
  3. Watermark wikiHow to Prepare Watercolor Paper
    Use a large paint brush to spread cold water over the entire piece of paper. You can’t really use too much water, although you will need to use more water on heavier paper. Continue spreading water until the paper is saturated. [11]
    • When the paper is saturated, it won’t hold any more water, which is why you can keep brushing it until water starts spilling over the edge.
  4. Watermark wikiHow to Prepare Watercolor Paper
    Carefully flip the paper by grasping 2 of the corners, then make sure the paper is pressed flat against the board. Use the same brush to add more water to the other side to fully saturate your paper. [12]
    • The paper is delicate when it is wet, so handle it as little as possible.
  5. Watermark wikiHow to Prepare Watercolor Paper
    Turn the paper over so that the original side you dampened is face-up, making sure it’s flat. Leave the paper alone for about 15 minutes so it can dry just slightly. [13]
    • Leave the board out in the open on a flat surface so it dries faster.
  6. Make the paper towels even and big enough to cover the paper. Lay the first layer over the sheet of paper, then top it with the second layer. Push down on the paper towels so they squeeze the paper to absorb any excess moisture. [14]
    • When no more water is coming out of the paper, you can take the paper towels off and throw them away.
  7. The damp sheet will still hold onto paint almost as well as dried paper, although the colors may soften and blend together more. Since the paper is wet on both sides, it won’t buckle as it dries. [15]
    • If you can, prepare your paper in advance by soaking and drying it. You will have more of an opportunity to make sure the paper is perfect.
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Community Q&A

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  • Question
    When the wet paper is secured with the tape and then dry, do I start painting or do I have to remove the tape from the paper first?
    Community Answer
    It doesn't really matter. Some people prefer keeping the tape on, because it holds the paper in place. Others remove the tape so it isn't covering any of the paper as they are painting. So it's up to you!
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  • Question
    For method two, what if you leave it to dry? Will it have the same effect as method one?
    Hannah Madden
    Community Answer
    If you'd like to leave your paper to dry after brushing water onto it, you'll need to stick down the edges. Use tape or staples to attach the paper to the board before leaving it to dry so it stays flat.
    Thanks! We're glad this was helpful.
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      Tips

      • There is no exact amount of time to soak the paper, but heavier paper needs to be soaked longer than lighter paper.
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      • Make sure you choose a drying board that can be taped or stapled. Choose tape that sticks and stretches in water.
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      • Always moisten tape slightly to avoid washing off the adhesive.
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      Things You’ll Need

      Drying the Paper Overnight

      • Watercolor paper
      • A board
      • A water tray
      • Lukewarm water
      • Gummed paper tape
      • Paint brush
      • Paper towels
      • Latex gloves
      • X-Acto knife

      Painting on Wet Paper

      • Watercolor paper
      • A board
      • Paint brush
      • Lukewarm water
      • Paper towels
      • Latex gloves

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      References

      1. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      2. ↑ https://emptyeasel.com/2015/01/08/how-to-stretch-watercolor-paper-before-painting-a-must-read/
      3. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      4. ↑ https://www.youtube.com/watch?v=9c6OWKyYNKI&feature=youtu.be&t=43
      5. ↑ https://www.youtube.com/watch?v=9c6OWKyYNKI&feature=youtu.be&t=47
      6. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      7. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      8. ↑ https://www.handprint.com/HP/WCL/tech21.html#stretch
      9. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      1. ↑ https://www.youtube.com/watch?v=4e2kzi8O4wI&feature=youtu.be&t=275
      2. ↑ https://www.handprint.com/HP/WCL/tech21.html#stretch
      3. ↑ https://www.youtube.com/watch?v=4e2kzi8O4wI&feature=youtu.be&t=282
      4. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      5. ↑ https://www.strathmoreartist.com/blog-reader/stretching-watercolor-paper.html
      6. ↑ Kelly Medford. Professional Artist. Expert Interview. 2 July 2019.

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