Wrinkles on a paint by numbers canvas? The fastest fix is low heat (hair dryer or iron with cloth) or simple flattening with weight—most creases can be reduced in minutes.

In practice, light wrinkles from rolling are easy to fix, while sharp folds need a bit more care. Below are the methods that actually work and when to use each one.

How to get wrinkles out of canvas:

  • Use a hair dryer for light wrinkles

  • Iron with a cloth for deep creases

  • Flatten with weight for a safe method

  • Stretch or frame to prevent wrinkles

The best method depends on the crease: light wrinkles respond to heat, while sharp folds usually need ironing or stretching. If you order an unframed version from us, your paint by numbers canvas arrives rolled in a protective tube (not folded), which helps reduce most creases and limits light waves from transit.

6 ways to remove wrinkles and creases out of a paint by numbers canvas

1. Use a hair dryer

Lay the canvas face down on a flat surface, ideally on a towel. Set your hair dryer to low heat and move it slowly over the wrinkled areas from a safe distance.

From experience, this works best for light wrinkles from rolling. Don’t hold the heat in one spot—short passes are safer and more effective.

Let the canvas cool and dry fully before painting. In most cases, the surface becomes noticeably smoother within a few minutes.

2. Ironing over a damp cloth

Place the canvas face down on a flat surface. Lightly mist the back—just a fine spray, not soaking. Cover it with a damp cloth.

Use medium heat and iron gently over the cloth. The steam helps relax the fibers and flatten deeper creases. In practice, a quick pass (about 10–15 seconds per area) is usually enough.

This is the most effective method for strong folds, but also the easiest to overdo. In practice, too much heat or water can damage the print, so keep it controlled.

Make sure the canvas is fully dry before you start painting.

Can you iron a paint by numbers canvas?

Yes, but only from the back and with a cloth. Use low to medium heat and short passes (10–15 seconds per area is usually enough). Direct heat on the front can damage the print.

Steaming (quick option)

Steam can help with light wrinkles. Keep some distance and avoid excess moisture. It works best as a quick fix, not for deep creases.

3. Flatten with books or weight

Lay the canvas flat and cover it with parchment or wax paper. Place heavy books evenly across the surface.

Leave it for 24–48 hours. This method is slow but safe.

It works well for minor wrinkles or if you want to avoid heat completely. In real use, it rarely fixes sharp fold lines on its own, but it improves overall flatness.

4. Stretch the canvas with tape

Lay the canvas on a flat surface and pull the edges gently. Tape each side down so the surface stays under light tension.

Leave it stretched for a few hours.

This method works well for canvases that feel slightly loose after unpacking. It won’t fix deep creases alone, but combined with heat, it helps keep the surface flat.

5. Roll it the opposite way

If the canvas was tightly rolled, roll it in the opposite direction. Secure it loosely and leave it for a few hours.

This helps reset the fibers. It’s a simple fix that often removes light waves from long-term rolling.

Avoid tight rolling—too much pressure can create new creases.

6. Frame the canvas before painting

Stretching the canvas on a frame keeps it tight and prevents wrinkles from returning while you paint.

If you want to avoid wrinkles completely, choosing a framed version is the simplest option. The canvas comes already stretched, so you don’t need to flatten or fix anything before painting.

If you plan to frame the finished piece anyway, doing it before painting makes the process easier and the result cleaner.

What to avoid

  • Don’t iron on the front

  • Don’t use high heat

  • Don’t soak the canvas

Bonus tip: choose a canvas that doesn’t crease easily

Some issues start with how the canvas is packed. Folded canvases almost always create visible creases.

If you want to avoid fixing wrinkles at all, choose kits that are rolled and well protected. That alone removes most of the problem.

You can also improve your final result with better technique—see how to make your paint by numbers look better.

How to get a crease out of a painted canvas – why it happens

Creases on a painted canvas are harder to fix because paint locks the surface in place.

If a fold runs through a painted area, the paint layer can crack slightly or make the line more visible. This happens more with thicker paint.

From experience, once painted, strong creases rarely disappear completely. You can reduce them with light heat or stretching, but prevention works better than fixing.

Store the canvas flat before painting and avoid folding it. That keeps the surface clean and the final result sharper.

Updated: March 26, 2026

Leave a comment

Please note, comments need to be approved before they are published.

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.