1. Make the Wheatpaste:

• Ingredients: You'll need flour and water. A common ratio is 1 part flour to 4 parts water. 

• Preparation: Mix the flour and water in a bowl until smooth and lump-free. This should resemble pancake batter. 

• Cooking: Heat the mixture in a saucepan over medium heat, stirring constantly to prevent lumps. Bring to a gentle boil until thickened. 

• Optional Additions: Some people add sugar or a bit of Elmer's glue for extra stickiness. 

• Cooling: Let the paste cool down completely before applying it to the posters. 

2. Prepare Your Posters:

• Paper Choice:

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  Use thin, uncoated paper like 20-pound bond paper. This allows the paste to seep through and create a stronger bond. 

• Print Quality:

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  Ensure your posters are printed with high quality and a clear, concise message. 

3. Applying the Wheatpaste: 

• Surface Preparation: Clean the surface where you plan to paste the poster. 

• Apply Paste: Use a wide paintbrush or a roller to apply a generous layer of wheatpaste to the back of the poster. 

• Press and Seal: Carefully press the poster onto the wall, working out any air bubbles. Then, apply another layer of paste over the poster to seal it. 

Important Considerations:

• Legality:

  While wheatpasting itself isn't inherently illegal, wild posting (without permission) can lead to fines or other penalties. 

• Location:

  Choose locations where the posters are unlikely to be removed or damaged. 

• Safety:

  Be aware of your surroundings and avoid attracting attention, especially if you are engaging in wild posting. 

• Alternatives:

  If you're looking for a more permanent solution, consider using wallpaper adhesive or other specialized adhesives.