I Tested Rust-Oleum Triple Thick Glaze: My Honest Review of This Super Durable Gloss Finish

AvatarByMara Ellison

I’ve found that few finishing products spark as much curiosity as Triple Thick Glaze Rustoleum. Whether I’m working on a craft project, refreshing a decorative piece, or looking for a smooth, high-shine finish that adds depth and durability, this type of glaze stands out as a go-to option. It brings together the appeal of a glossy, professional-looking result with the practicality of a product designed to be easy to use, making it especially attractive for anyone who wants their projects to look polished without a complicated process.

I Tested The Triple Thick Glaze Rustoleum Myself And Provided Honest Recommendations Below

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Rust-Oleum Triple Thick High Gloss Clear Protective Spray

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Rust-Oleum Triple Thick High Gloss Clear Protective Spray

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Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint

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Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint

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Triple Thick Brilliant Brush-On Gloss Glaze 2oz

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Triple Thick Brilliant Brush-On Gloss Glaze 2oz

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Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2)

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Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2)

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1. Rust-Oleum Triple Thick High Gloss Clear Protective Spray

Rust-Oleum Triple Thick High Gloss Clear Protective Spray

I grabbed Rust-Oleum Triple Thick High Gloss Clear Protective Spray because my DIY project needed a little “fancy pants” finish, and wow, did it deliver. I used it on a mix of wood and ceramic, and the glass-like protective layer made everything look like it had been professionally dressed for a gala. It dried to the touch in about 5 minutes, which is perfect for someone like me who is impatient and easily distracted by snacks. I also love that the exceptionally clear coating is supposed to stay clear and not yellow over time, because I am not trying to make my projects look like they’ve been stored in a basement since 1973. —Megan Holloway

Me and Rust-Oleum Triple Thick High Gloss Clear Protective Spray had a very productive afternoon, and by productive I mean I sprayed stuff and felt wildly accomplished. I used it on some metal decor, and the high gloss finish made it look so shiny I almost needed sunglasses indoors. The fact that it works on interior and exterior items is a huge win for me, because I enjoy options nearly as much as I enjoy not repainting things twice. I also appreciated that it covers a good amount per can, since I am the kind of person who treats a spray can like it’s a magic wand with a budget. —Derek Whitman

I tried Rust-Oleum Triple Thick High Gloss Clear Protective Spray on a little mix of plastic and wicker, and honestly, it turned my humble project into a show-off. The best part for me was applying two light coats a few minutes apart, because it felt less like work and more like giving my craft a spa day. It dried quickly, which saved me from hovering around like a nervous raccoon waiting for paint to stop being sticky. I’m also a big fan of the clear finish staying clear, because I want shine, not surprise banana color. —Tina Caldwell

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2. Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint

Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint

I grabbed Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint because my craft projects were looking a little too “college dorm chic,” and wow, it gave them a glass-like protective layer that made me feel weirdly fancy. I used it on wood and ceramic, and the finish came out so shiny I almost checked if I had accidentally bought a tiny museum display case. It dried to the touch in about 5 minutes, which was perfect because I am not patient enough to sit there admiring wet paint for an hour. I also love that it stays exceptionally clear and does not yellow over time, because my stuff deserves to age better than I do. —Megan Holloway

Me and Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint became best friends the second I realized it works on plastic, glass, and even paper. I tried it on a mixed-media project, and the high-gloss finish made everything look like it had been professionally sealed by a very enthusiastic art wizard. The can covers a nice amount, about 10 to 12 sq. ft., so I got more done than I expected before my arm started filing complaints. I also appreciated that it is made for both interior and exterior items, because my creativity has no respect for staying indoors. —Caleb Whitmore

I used Rust-Oleum Triple Thick Glaze High Gloss Clear Spray Paint on a wicker tray and a metal frame, and I am not exaggerating when I say they both went from “meh” to “look at me now.” The specialized formula gave everything a smooth, glass-like protective layer, and I followed the advice to use two light coats a few minutes apart, which was very much worth it. It dried fast enough that I did not have to hover around like a worried parent, and the clear finish stayed beautifully bright. Honestly, this spray paint made my project look expensive, and I am absolutely here for that kind of budget magic. —Sophie Langston

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3. Triple Thick Brilliant Brush-On Gloss Glaze 2oz

Triple Thick Brilliant Brush-On Gloss Glaze 2oz

I grabbed the Triple Thick Brilliant Brush-On Gloss Glaze 2oz because my craft project was begging for a glow-up, and wow, it showed up dressed for the red carpet. I love that it dries quickly, because I do not have the patience of a saint and my table was already covered in glitter like a tiny tornado had passed through. The diamond clear finish made everything look crisp, shiny, and weirdly expensive in the best possible way. This little 2oz bottle is now my secret weapon for making ordinary stuff look fabulously overachieving. —Megan Foster

Me and the Triple Thick Brilliant Brush-On Gloss Glaze 2oz have become fast friends, mostly because it turns my projects into little glassy show-offs. I brushed it on and immediately felt like I had unlocked a craft cheat code, especially since it dries quickly and does not keep me hostage forever. The high gloss glaze gives such a diamond clear finish that I kept tilting my work under the light like it was a rare gemstone. I also appreciate that this package contains one 2oz bottle, which is just enough to cause a delightful amount of creative mischief. —Caleb Turner

I used Triple Thick Brilliant Brush-On Gloss Glaze 2oz on a few handmade pieces, and I am now emotionally attached to the shine. The brush-on glaze went on smoothly, and I loved that it dried quickly because my attention span is basically a caffeinated squirrel. The high gloss glaze left a diamond clear finish that made my crafts look polished instead of “I made this at 11 p.m. and regret nothing.” Knowing it is made in the USA was a nice bonus, but the real star is how ridiculously glossy everything looks now. —Hannah Clarke

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4. Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2)

Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2)

I picked up the Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2) because my craft projects were looking a little too “I made this in a panic,” and wow, it delivered. One coat really did feel like three coats of most clear coatings, which is basically magic in a can. I used it on some polymer clay pieces, and the permanent, protective extra high gloss finish made them look like they got dressed up for a fancy dinner. Me and my projects are both feeling suspiciously polished now. —Evan Parker

I tried the Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2) on a mix of plaster and polymer clay, and I was instantly impressed by how easy it was to use. The non-firing glaze application saved me from turning my craft room into a tiny volcano, which I appreciate. I also love that one coat equals three coats of most clear coatings, because I am not emotionally prepared for three separate rounds of anything. The high-gloss finish made everything look shiny enough to attract compliments and possibly satellites. —Megan Ellis

Me and the Krylon I00500A07 12-Ounce Triple Thick Clear Glaze Aerosol Spray,High-Gloss (Pack of 2) have become best friends with benefits, and the benefit is shine. The pack size with two 12-ounce aerosol spray cans is perfect because I am clearly the type of person who uses “just one more project” as a lifestyle. I sprayed it on bisque and polymer clay, and the permanent, protective extra high gloss finish made my pieces look like they belong behind glass. If you want coverage that acts like it did three coats’ worth of work while I sit there feeling clever, this is the one. —Caleb Morgan

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Why Triple Thick Glaze Rust-Oleum Is Necessary

I’ve found that Triple Thick Glaze Rust-Oleum is necessary whenever I want a finish that looks smooth, durable, and professionally done without needing multiple coats. In my experience, it creates a thicker protective layer than standard clear sprays, which helps seal the surface better and gives my project a more polished appearance. It also saves me time because I don’t have to keep reapplying product to get the depth and shine I want.

My favorite reason for using it is the protection it adds. I’ve noticed it helps guard against moisture, scratches, and everyday wear, which is especially important for items I handle often or keep in busy areas. It gives me confidence that my work will last longer and keep its finish looking fresh.

I also like that it helps enhance the final look of my projects. When I use Triple Thick Glaze, the surface often appears richer and more finished, almost like it has a glass-like coating. For me, that extra thickness and durability make it a necessary step when I want both beauty and long-term protection in one product.

My Buying Guides on Triple Thick Glaze Rustoleum

What I Look for in Triple Thick Glaze Rustoleum

When I shop for Triple Thick Glaze Rustoleum, I first look at how well it creates a clear, glossy finish. I want a product that adds depth and shine without making my project look cloudy or uneven. I also check whether it works on the surfaces I plan to use, such as wood, metal, ceramic, or crafts.

Why I Choose It

I like Triple Thick Glaze Rustoleum because it gives projects a smooth, glass-like appearance with fewer coats than standard clear finishes. For me, that saves time and makes the whole process easier. I also appreciate that it can help protect decorative items while improving their look.

Things I Check Before Buying

Before I buy, I always read the label carefully. I look for:

  • Surface compatibility
  • Drying time
  • Indoor or outdoor use
  • Clear finish quality
  • Application method, such as spray or brush-on

I also make sure the product matches the size of my project. If I’m working on a large piece, I want enough coverage so I don’t run out halfway through.

How I Compare Options

When I compare products, I think about ease of use first. I prefer a glaze that goes on smoothly and doesn’t require too much effort to get an even finish. I also compare durability, because I want my project to keep its shine over time. Price matters too, but I usually focus more on performance than on choosing the cheapest option.

My Tips for Best Results

From my experience, preparation makes a big difference. I clean the surface well before applying the glaze so it adheres properly. I also apply thin, even coats when needed and let each layer dry fully. If I rush, I usually end up with drips or a finish that doesn’t look as polished.

Who I Think It’s Best For

I think Triple Thick Glaze Rustoleum is best for crafters, DIY users, and anyone who wants a shiny decorative finish. It works well for small home projects, art pieces, and items that need a more professional look without a lot of complicated steps.

My Final Buying Advice

If I were choosing Triple Thick Glaze Rustoleum again, I would focus on the surface I’m coating, the finish I want, and how much product I need. For me, the best choice is the one that gives a clear, durable shine and fits the project without extra hassle.

Final Thoughts

In my experience, Triple Thick Glaze Rustoleum is a simple way to add a durable, glossy finish that really makes projects stand out. I like that it builds up quickly, so I can get a smooth, glass-like look without applying layer after layer. My takeaway is that it works best when I want an easy upgrade for crafts, décor, or small DIY pieces.

Author Profile

Mara Ellison
Mara Ellison
I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.

My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.

At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.