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🛡️ Seal your craft with confidence—durability meets safety in every drop!
Sienna Studios Acrylic Sealer is a premium 16 oz water-based acrylic coating designed specifically for concrete and cement crafts. It offers a buildable low-gloss finish that enhances surface details while providing water resistance and long-lasting protection. Non-toxic and food safe once cured, it’s heat-resistant and compatible with Jesmonite and other porous materials, making it ideal for indoor and outdoor use. Proudly made in the USA, this sealer ensures your creations stay vibrant and protected without compromising safety.





| ASIN | B0DVDQH5DJ |
| Best Sellers Rank | #42,103 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #158 in Hardware Sealers |
| Brand | Sienna Studios |
| Brand Name | Sienna Studios |
| Color | White |
| Compatible Material | Concrete |
| Customer Reviews | 4.3 out of 5 stars 91 Reviews |
| Global Trade Identification Number | 00198715046007 |
| Included Components | 1 x Acrylic Sealer Bottle |
| Item Dimensions | 2 x 4 x 6 inches |
| Item Form | Liquid |
| Item Weight | 525 Grams |
| Item dimensions L x W x H | 2 x 4 x 6 inches |
| Manufacturer | Sienna Studios |
| Material | Acrylic |
| Material Type | Acrylic |
| Number of Items | 1 |
| Part Number | ACR-02 |
| Style | 16oz - Low Gloss |
| Style Name | 16oz - Low Gloss |
| Surface Recommendation | Concrete |
| Unit Count | 16.0 Fluid Ounces |
| Water Resistance Level | Water Resistant |
C**N
It works as it should, it arrived in time and packaged well no spilling
Great sealer for my basement floor! A little goes a long way, no harsh smells and dried clear. Just what I wanted
J**A
Para artesanas de yeso y cemento
Este es un sellador , me gusta porque dejas las esculturas limpias
M**2
Expensive yes but it works
I have purchased this 3 times so far. While it is expensive for the amount you get, it does work. It provides a lovely gloss finish. I use it to coat the inside and outside of my cement candle vessels. I apply four coats to the inside and outside of the jar, and one coat to the very bottom. I was able to coat 100 candle jars this way with one bottle, using a round foam brush I purchased from a local big box craft store. I use the Boowan Nicole 9oz mold and the Modern Craft Labs tulip mold. I have not had any issues with the wax leaking through.
A**N
Mal producto
Realmente es bien malo ese producto y extremadamente caro.hago figuras de yeso y no las sella.super malo no lo aconsejo.le di una estrella y ni eso se merece
S**A
Terrible sealer
The coverage is very insufficient for the expensive price tag. And the multiple coats do nothing for sealing as the wax seeps thru even at 5 coats. It also doesn't protect it at all and my items are very easily scratched after 5 coats. Do not waste your money.
N**I
Works wonderfully, dries quick and leaves a clean finish!
I make cement candles, trays and home decor. This stuff is nothing short of amazing! I have tried other brands, they are costly as well. You definitely get what you pay for. I will be buying again and again!! Thank you!!
M**A
SUPER 👍 GOOD
This really works , it is small , but little product is used , it has a good coverage , I will show you a finish and you will draw your own conclusions . 10 /10
M**E
Leakage on hydrostone
This sealer doesn't seal well on my hydrostone vessels. I put multiple coats on and I had leakage. Disappointed.
A**R
Looks great once the sealer is on
It is very easy to work with; while it has a semi-matte finish initially, applying additional coats will create a glossy effect.
D**V
Not waterproof at all, ruined our entire batch
We applied this sealer to a plaster product in 4 full coats, strictly following all the manufacturer’s recommendations. After letting it dry completely (over 24 hours), we tested for water resistance. We poured water into the item, and within 15–20 minutes, it had absorbed over 100 ml, soaking through and visibly darkening the plaster. This completely ruined our entire batch of handmade items. Time, effort, and materials were wasted. If you're looking for actual water resistance — this is not the product. Very disappointing and absolutely not recommended.
K**A
Great product, just not much for the money
For the price you don't get much, however it works well and it sealed my hydrostone candle jars perfectly with 3 coats. I used the dipping method and it has proven to be waterproof and wax hasn't seeped through after burning a candle, so I'm happy with the product. I just wish it were possible to buy it in bigger containers or the prices wasn't so high
P**D
Trop cher
Très cher pour la quantité mais bonne qualité
A**N
Don't buy this
I have tried this many times, using the direct instructions. Using acrylic paint on both cement and also on ceramic and even though I have let my items dry for over a month, as soon as I start to apply it using the cloth as per instructions my paint runs. Very disappointed especially for the price!
Trustpilot
2 months ago
1 week ago