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ThermaCels - Insulating Paint Additive 1 Gallon Package

  • Based on 401 reviews
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Availability: In Stock.
Fulfilled by HY-TECH THERMAL SOLUTIONS

Arrives Thursday, Mar 26
Order within 18 hours and 56 minutes
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Size Name: 1 gallon package


Features

  • Can be mixed into any kind of paint or coating. Does not change the properties of the paint it is added to.
  • Reduces heat and cooling loss by providing insulation benefits.
  • Lowers heating and cooling bills !
  • One quart by volume of ceramics is added to one gallon of paint or coating.
  • Product is sold in packages according to how much paint you will be using. A 1 gallon package will treat 1 gallon of paint, 12 gallon package will treat 12 gallons of paint, etc

Description

Developed from NASA technology, HY-TECH ceramic insulating paint additive is a fine, white powder blend of high strength ceramic "microspheres". Each single ceramic microsphere is so small that it looks to the naked eye as if it is a single grain of flour, (slightly thicker than a human hair). When mixed into paint the painted surface dries to a tightly packed layer of the hard, hollow "microspheres", (Hy-Tech's exclusive CVM, ceramic vacuum matrix technology.) The tightly packed film reflects and dissipates heat by minimizing the path for the transfer of heat. The ceramics are able to reflect, refract and block heat radiation (loss or gain) and dissipate heat rapidly preventing heat transfer through the coating with as much as 90% of solar infrared rays and 85% of ultra violet-rays being radiated back into the atmosphere. Hy-Tech insulating additive is completely inert and can be mixed into ANY paint, coating or composite including interior house paint, exterior house paint, roof paint, solvent base coating, epoxy, urethane, high temperature paint, elastomerics, mastics etc. The addition of the ceramics to any material provides heat reflection, insulation, improved fire resistance, and lower heating / cooling costs. We recommend that surfaces have at LEAST two coats of paint containing ceramics to get results. This is based on the small size of the ceramics and the need to have then distributed evenly on a surface. More coats will produce better results. Package size represents the amount of paint that package will treat. For example the "1 gallon package" will treat 1 gallon of paint. The "5 gallon package" will treat 5 gallons of paint, etc.

Manufacturer: ‎Hy-Tech Thermal Solutions


Part Number: ‎HC-5000-1C


Item Weight: ‎1 pounds


Item model number: ‎5000


Is Discontinued By Manufacturer: ‎No


Size: ‎1 gallon package


Color: ‎white powder


Coverage: ‎enough additive to treat one gallon of paint


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: January 11, 2016


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • People mis-interpret the benefits of this product
Size Name: 1 gallon package
Therma cells work great for some applications but many people seem to miss-interpret the benefits of using it. I used it on my school bus conversion's interior walls and did some testing on it. I used Rust-Oleum bedliner and did a thick two-coat application for reference. I would highly recommend a thicker coating like a bedliner for use with this product. I found that my walls were noticeably cooler after applying the coating. My 1st control was an un painted area which was too hot to hold a hand to after sitting in the sun all day, 2nd control was bed liner with no Therma Cells and then I had the area I applied it to. The second area was about 4 degrees cooler than the first but still noticeably hot to the touch. The Therma Cell area was only another 2 degrees cooler than the second, but it was not warm to the touch. My conclusion is that it seems like Thermacells are very effective at lowering the HEAT CAPACITY of a coated material, but not necessarily it's actual temperature. This means that thermacells will make the coated area a poor condutor of heat to the air around it, but won't necessarily work wonders on the actual temperature of the material itself. I'd definitely purchase this again as it seemed to cut down radient heat and touch-surface's (perceived, not really actual) temperatures noticeably. ... show more
Reviewed in the United States on July 23, 2024 by David I

  • A must have been painting your homes exterior
Size Name: 12 gallon package
I researched the living daylights out of this product so I knew exactly what we were getting into. The only trouble that we had was trying to find a professional painter that would agree to mix it with the paint and apply it to our home. Big strike out. We found a handyman That took no issue. He mixed it with the paint that we purchased according to the directions. We did have to buy him a new nozzle because the product did wear his nozzle down significantly. It does not look any different than if we painted without the product however it reflects/rejects/bounces back heat that would normally come from our hot Arizona sun. We purchased enough to mix with the primer that was first applied, and then mixed again the recommended amount with the paint that went over the primer. It looks truly amazing and does not provide any indication that there is anything in the paint. That really mattered because I didn’t want our home to be sparkly or have some weird additive looking effect. It just simply looks professionally beautifully painted by the handyman that did the work. I helped him throughout much of the process. I highly recommend this product. It is like having a secret barrier or shield over your home. ... show more
Reviewed in the United States on November 14, 2024 by Bobby Deneke

  • Used on metal whole house fan slats
Size Name: 1 gallon package
Easy to mix in. Read the instructions throughly.
Reviewed in the United States on November 20, 2025 by D G

  • about 10 -15 degree drop
Size Name: 1 gallon package
This stuff does help. I have a block wall which faces west in phoenix az. I tested several areas one with white paint, one white with additive and one the medium brown of the original house color. Original house was 148 degrees plus the white alone dropped temp 20 degrees and finally the white with one coat of additive dropped temp by 30 degrees . at 10 to 15 extra dollars per gallon I figure here in the hottest city in the country its gonna be well worth the money even if its on 10 - 15 degrees. With our insane heat and an uninsulated block wall every bit helps! ... show more
Reviewed in the United States on October 15, 2023 by Reyes Escobedo

  • This Product Works!
I live in South Florida and have a Florida room with a flat roof. Over the years, we have attempted to make this room more efficient thermally and acoustically. We had a thick 3M heat reflective security film added to the windows, which wrap around the whole room. That helped a lot. We then added a new wall mounted AC unit and that helped cool the room more efficiently. A few years ago, we had the roof painted with Black Jack® ETERNA-KOTE® 100% Silicone Roof Coating. Again, that helped. But this room is still warmer than the main part of the house, so when we decided to paint the flat roof again with the Black Jack® ETERNA-KOTE, I had the 2 gallon size Hy-Tech ThermaCels paint additive and decided to add it to the paint even though it was 5 gallons of paint. The Hy-Tech additive still helped lower the heat coming through the flat roof, but what amazed me is the fact that we had a few major downpours and we can barely hear the rain through the roof. I am so impressed that I am tempted to get another 5 gallons of the Black Jack® ETERNA-KOTE and add the proper amount of Hy-Tech additive to it. We will be getting our home painted when rainy season is over and I will be adding Hy-Tech's product to all of my exterior paint. In fact, we decided to go ahead and paint the exterior of the Florida room, so I will be adding the Hy-Tech to that and after, I will add another review. Really impressed with Hy-Tech's product! ... show more
Reviewed in the United States on May 17, 2020 by Richard

  • Waste of money
Size Name: 1 gallon package
Purchased the product and even paid expedited shipping since i already was in the middle of painting project. was excited about preventing heat penetration into the room. Followed instruction mixing which was easy. However, it does not prevent wall inside from getting warm at all. all together i would definitely not recommend it. ... show more
Reviewed in the United States on June 6, 2022 by Lena

  • Insulation paint
Size Name: 5 gallon package
I like the idea. I am testing it write now
Reviewed in the United States on January 27, 2026 by Rob153

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