How To Seal Acrylic Paint On Fabric

Sealing the paint on fabric is pretty simple. You only have to use a fabric medium to seal the acrylic varnish. You pour the solution right into the paint bottle and mix it well.

Otherwise, you can pour it over the painted area of the material. When the fabric medium dries off, it will create a bond with the acrylic paint and the material.

If you don’t want to utilize the fabric medium, you can opt for the heat set technique.

Use the iron to heat set the acrylic paint on the material. But don’t go for the steam option available on the iron.

You are now well-aware of how you can seal off the paint on your particular material. But it’s essential to learn what exactly the process is so that you can do the paint sealing work on your fabric easily.

How To Seal Acrylic Paint On Fabric?

Seal Acrylic Paint On Fabric

When you want the acrylic paint to settle down permanently, you need to use either fabric seal or fabric medium. But using the fabric medium will be a lot better.

It’s because the fabric medium will make the clothing less abrasive and softer. This will allow the wearer to feel comfortable when on the garment or apparel.

The fabric medium will also prevent the paint from cracking and make the color stay on the material permanently.

So, to make sure that the acrylic paint is on the fabric, you need to wash the material in a washing machine within a gentle cycle. Wash the fabric with a fabric softener and hang it for drying.

When you are using darker materials, use cold water for the washing work. Using the fabric medium is one of the best ways to keep the paint on the material for a longer time. It will look as if it was freshly painted not too long ago.

Sealing the acrylic paint on your material through the heat-set technique will also settle the paint permanently on the fabric. But the method is a bit different when compared with the fabric medium one. Look below!

Step 1: Wait Till The Paint Dried Off Completely

Before you proceed with the heat-set process, you need to wait 24 hours to paint the material to dry off. Once the paint is completely dry, wait for at least 4 days more and then wash it thoroughly.

After that, please give it a good wash and move forward with the heat-set process with no hassle.

Step 2: Seal The Paint On The Fabric

During the heat-set process, make sure that the iron is not on the steam setting. It would help if you heated dry the paint so that it settles down properly on the fabric.

Switch off the steam setting within the iron that might come out automatically and empty the water vessel. If it’s feasible, try to iron on the wrong side of the material instead of the painted side.

Put a little piece of scrap material above the painted area as an alternative. When you utilize these two options, it will prevent the iron from accidentally scorching the painted area of the material.

It will also protect the iron from transferring any shade or color to the fabric. Make sure to set the iron on a hot medium setting and run the iron on the painted area a few times.

Move the iron around the material constantly so that you do not scratch it. Also, if you are using a delicate material, try to set the iron to a suitable and lower temperature. After that, iron on it for a longer time.

How Much Time Does It Take To Iron The Painted Material?

How Much Time Does It Take To Iron The Painted Material?

When you iron the acrylic paint on the fabric, iron that area constantly for at least 2 minutes. You can also iron it for 3 minutes to 5 minutes, but the iron should be in a medium-hot setting.

You have to be very careful as the material will become way too hot when ironed, for which it will become too hot for touching. For best results, do the ironing in small sections.

Even though it might take more time, it will enable you to move the iron quickly as one part will cool down while you iron the other part.

Reasons To Seal The Acrylic Paint On The Material

There are many reasons to seal the paint on the fabric. If you want the art you created to last longer, closing the color will be the right choice. Remember, painting the material is not similar to how you paint walls.

When you paint the walls of your home, you use a roller for painting and then leave it for drying. But that’s not the case for painting on fabrics.

Fabric paint has to erase the washing machine and soak in the water for a long time. But sealing your painted fabric will help in shielding your work.

Also, it will enable you to protect the energy and participation you spend on creating the gem on the fabric.

Best Paint Sealers Available For Fabrics

Best Paint Sealers Available For Fabrics

There is a countless number of paint sealers available in the market.

Even though heat sealing stands out as the most effective way, using a fabric medium will also be a good choice.

One of the best fabric mediums available in the market is the Delta Fabric Medium.

It is currently available on Amazon, and the price is pretty reasonable as well. The fabric medium will work perfectly with all kinds of acrylic paint brands.

The Delta Fabric Medium has the power to hold up the washing time with no hassle. You will not find any color fading issue when you use this medium because it’s pretty opaque.

Apart from that, the fabric medium will make the entire painted area smooth and soft. It will look as if it was a part of the material all along.

Ways To Seal The Material Right Before Painting

Ways To Seal The Material Right Before Painting

When you want to paint the material, you can use a primer coat for it. You can use the primer coat on furniture that is made from fabrics as well. It will seal away the material and cover the primary color or design.

  • Many individuals use a mixture of water and paint when they paint their fabric.
  • The mixture should be around 60% paint and 40% water. If you are using a much thicker fabric, the water level should be higher.
  • The primer coat will help in sealing the pores so that you can easily paint on the material.
  • It’s just like preparing a canvas for painting. Also, primer coats can get rid of all the bumps and lumps on your material.
  • So that you will get a smooth surface to paint on. But don’t use any other primer coat. Only opt for the one which is designed for materials.

Things To Keep In Mind When Sealing Paint On A Fabric

Things To Keep In Mind When Sealing Paint On A Fabric

Here are some of the things that you must remember when fabric paint sealing works. Check it out!

  1. When you want to apply the fabric medium on the painted area of the material, make sure you do so after the paint has dried off.
  2. Don’t just randomly pour the fabric medium over the paint. Take a small plastic cup, pour the medium in and use a paintbrush to apply the medium all over the painted surface.
  3. When you are doing the sealing work, make sure to place the painted fabric on a hard surface, such as a table or over cardboard.
  4. If you want to apply the fabric medium 2 to 3 times, make sure to do so one at a time. Let the first coat dry, and then you can use another coat.

During Heat-on Technique, Will The Paint Damage The Iron?

Well, it depends entirely on the paint. If the paint is completely dry so there will be less chance for any issues to occur.

But if the paint is still wet in some of the areas of the fabric, it will make an fssst sound when the iron gets pressed over it. This might allow the paint to stick to the iron.

There would be waiting for a while before you run the iron over the painted area. Otherwise, if you are way too impatient, you can keep fabric or cloth between the iron and paint.

Can I Seal The Fabric Paint On Materials Like Denim?

Of course, you can. It’s because Denim is just like all the other fabrics where you can easily paint on.

But Denim stands out as a cotton-based fabric, so it will be better to use cotton-based paint for all your paintwork.

But if you are utilizing the standard paint for the denim fabric, make sure to use a medium. This will stop the paint from cracking or peeling off.

It’s one of the best ways to paint on Denim fabric and provide you with a massive color selection.



I'm Jessica Flores, a professional fashion designer and an expert seamstress. Crafting has always been a deep-seated passion of mine, one that has flourished and evolved over the years. I've dedicated considerable time to both studying and practicing in the realm of fashion and sewing, amassing a wealth of experience and skills. It brings me great joy to share these insights and experiences with you all, hoping to inspire and foster a similar passion for the art of sewing.

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