How to Make Homemade Plaster

In this article, we will discuss how to make homemade plaster. If you are planning to renovate your walls but would like to use natural and affordable materials, consider making homemade plaster that you can apply and use as you wish. There are many materials and textures that you can use to achieve the look that you want. To help you get started on your wall renovation project, we have shared different methods on how to create homemade plaster.

How to make homemade plaster? To make homemade plaster, you will need either one of the three dry materials: white flour, white glue, or Paris powder. Mix an equal part of the dry material with mater to create a paste. It is a simple DIY project that you can do at home. Once you have made the plaster, you can use it for your walls, or to make molds, casts, crafts, and even chalk.

Making homemade plaster is an easy project that you can complete in just a few minutes. The ingredients needed in making the plaster are readily available in stores. You can even check your pantry or kitchen cabinet for the supplies. Below are the common and easy methods of making homemade plaster that you can do at home.

How To Make Homemade Plaster
Photo by La Miko from Pexels

How do You Make Homemade Plaster?

There are three common and easy ways to make homemade plaster and that is by using materials such as Paris powder, glue, and flour. These materials are readily available in stores. They are affordable and natural ways to create materials for your wall renovation.

Homemade Plaster with Glue


  • White glue
  • Lukewarm water
  • Mixing Bowl
  • Spatula


  1. Heat two to three cups of water to 38 degrees Celsius.
  2. Mix one cup of water with two cups of white glue in a mixing bowl. Stir thoroughly using a spatula. Pour water a little at a time until the plaster has a soupy consistency.
  3. Work and mold the plaster within 15 minutes. Using glue to make the plaster will have a slightly longer drying time, but make sure that you work with it as soon as you finished mixing.
  4. Let the plaster set for at least 48 to 72 hours. Take note that a plaster that is made from glue takes longer to cure. It can take up to three days for the plaster cast to dry completely.

Homemade Plaster with Flour


  • All-Purpose Flour
  • Lukewarm Water
  • Mixing Bowl
  • Spatula


  1. Heat one cup of water to 38 degrees Celsius.
  2. In a mixing bowl, combine the water with two cups of flour. Pour the water as evenly as you can. After the water is added, start mixing the ingredients with a spatula.
  3. Stir the ingredients until there are no lumps. The consistency of the plaster should be thick but not difficult to stir. Add water or flour to achieve the thick white paste consistency.
  4. Make sure to work the plaster within ten minutes after mixing it as it solidifies fast.
  5. Allow the plaster to rest for 48 hours. It can appear dry within 24 hours, but it will not be completely set through.

Homemade Plaster with Paris Powder


  • Plaster of Paris powder
  • Water
  • Mixing bowl
  • Spatula


  1. Mix two parts of plaster powder and one part of the water in a mixing bowl.
  2. Stir the mixture until the plaster is well blended.
  3. Make sure to get the right consistency of the plaster by following the instructions included on the packaging on how to use it.

Can You Make Plaster at Home?

If you do not have plaster of Paris powder, white flour and white glue can be a good substitute to use. Use one part of lukewarm water and two parts of either flour or glue to create a paste. When using flour, stir it and the water together to create a thick paste. The texture should be like that of thick mashed potatoes. On the other hand, the mixture will be very thin when you use glue.

Homemade plaster has many uses. It can be used to seal cracks in your walls, it is also used in crafts and sculpting. Homemade plaster can be used to create DIY sculptures for your home and garden. They can even be used as crafts for kids. Your children will surely have a great time making casts of their hands and feet using homemade plaster from glue to flour. You can even add color to the plaster to make it more attractive.

How to Make Homemade Plaster for Walls

An affordable and easy way to seal cracks and holes in your walls would be to use homemade plaster. Mix four tablespoons of white flour and one-third teaspoon of salt to create a paste. Add paint or primer until the mixture has a putty-like texture. You now have a homemade plaster that you can smooth over small dents and cracks in your walls using a putty knife. Make sure that the surface is completely clean and hard before you start sanding and painting.

We have also written this article that talks about how to make plaster of Paris stronger. You can check out the article for tips that you can use on your next DIY project.

Video – How to Make Plaster of Paris

WikiHow shared the video below on YouTube on how to make plaster of Paris. This is an easy DIY craft that you can do in a few minutes. It demonstrates how to use flour to create homemade plaster. You can use this as a substitute if you do not have plaster of Paris powder at home. Check out the video below for step-by-step instructions.

How to Make Plaster of Paris Dough?

To make plaster of Paris dough, you can use flour or glue of Paris powder is unavailable. Mix two parts of plaster powder and one part of the water in a mixing bowl. Stir the mixture well to remove any lumps. You can use your hands to mix it thoroughly. Add more water or flour as needed to create a firm and smooth dough.  

Plaster of Paris dough can be used to create crafts and sculptures. They can mold into any shape. If you have a talent for sculpting, you can create mini sculptures for your garden. You can add coloring to the dough to give it an aesthetic look. Have fun and experiment on how you can create stunning sculpture pieces for your garden at an affordable price.

How to Make Homemade Plaster for Handprints

Homemade plaster for handprints and footprints is a great way to preserve memories. To make the plaster, stir to cups of plaster of Paris in one and quarter cup water. You can use flour or glue if you do not have plaster of Paris. Pour one inch of the plaster mix into a paper plate. Make sure to wait for the plaster to settle before imprinting your child’s hand or foot.

Once it is settled, press your child’s hand or foot into the plaster making sure that the imprint does not go to the bottom of the plate. Hold for two minutes before removing. Let the imprint set overnight before peeling it from the plate.

Can You Make Plaster of Paris Waterproof?

To make the plaster of Paris waterproof, coat it with a waterproofing agent like marine resin. This will penetrate through the surface pores. Let it completely dry. You can repeat as needed to thoroughly seal the plaster. This is a great idea if you want to display the plaster outdoors where it can be exposed to rain.

What is Hydrocal?

Hydrocal is a gypsum cement that can be used for various purposes like molding, casting, and DIY crafts. It is a good substitute for plaster of Paris. You can check out this article that discusses what hydrocal is for more information about the topic.

Can I Plaster a Wall Myself?

You can plaster a wall. Anyone can plaster a wall. On the other hand, you need to follow a formula for wall plastering. Do not just pick a trowel and start putting a plaster on your walls. Make sure that you prepare your walls correctly and that you apply plaster properly and thoroughly. Otherwise, you will just end up redoing the plaster and it can cause issues on your walls when not properly done.

How do You Smooth Out Plaster?

A popular way to smooth plastered walls and have them ready for painting is to apply a skim coat. This requires putting a very thin coat of plaster on top of the existing plaster. This is considered as the single best way to achieve a smooth finish on damaged and battered walls. We have also shared this article titled, compressed earth block vs. brick. You can check out the article to find out which is the better material to use for your home construction or renovation.


You have reached the end of this article that talks about who to make homemade plaster. We have learned that the three common and easy ways to make plaster are by using Paris powder, glue, or flour. We have shared above the directions on how to make the plaster and how to create dough to be applied to cracks and holes on your walls. Moreover, we have also shared easy and creative ways to preserve memories by making plaster for handprints and footprints.

Seal small cracks and holes in your walls by making homemade plaster and applying it to your walls. It is an easy and economical way to repair small wall damages. Furthermore, you can also create garden sculptures out of homemade plaster. You can use it to decorate and beautify your home and garden. We hope that this article has helped you learn more about homemade plaster making. Thank you for reading!

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