Looking for the best glue for porcelain toilet repair? Don’t put that favorite coffee mug or toilet out to pasture just yet – with the right glue, even the most shattered of sinks can be saved. While super glues may seem like the obvious option, when it comes to porcelain repairs you’ll want the heavy artillery of an epoxy adhesive.

Best Glue for Porcelain Toilet Repair
We’ve all been there – you go to flush and hear that telltale crack. The tank slams down and the bowl shatters into a million porcelain shards. Doomed, you think? Not so fast! As any seasoned plumber will tell you, a cracked toilet can still have some life left with the proper application of glue.

In this article, we’ll break down the different types of adhesives for porcelain and ceramic, from super glues to epoxies. We’ll provide tips on prep and application to get those broken bits sticking together like new. By the end, you’ll be well equipped to salvage that coffee mug souvenir from your honeymoon or get granny’s old chamber pot put back in action. So grab your gloves and mixing sticks – it’s time to get glueing!

Gorilla 2-Part Epoxy Glue – Best Glue for Porcelain Toilet Repair

I was getting ready to host guests recently when I noticed the porcelain lid for my toilet tank was cracked right down the middle. With company coming soon, I knew I needed to fix it fast. Based on glowing recommendations, I decided to try Gorilla Glue to repair the cracked toilet lid.


I carefully selected a small tube of Gorilla Glue, avoiding the wasteful nozzle. Back home, I thoroughly cleaned the cracked lid and dried it completely. Putting on gloves to keep the glue off my fingers, I used a toothpick to gently spread a thin layer along the entire crack. I didn’t want to use too much of this extremely strong adhesive.

Once the glue was smoothed out, I pressed the pieces of the lid together firmly for a full 60 seconds. I braced the repaired lid with duct tape to hold it in place overnight while the glue cured. In the morning, I removed the tape and found the Gorilla Glue had bonded the cracked lid back together perfectly.

repaired toilet couter top with Gorilla Glue
repaired toilet couter top with Gorilla Glue

To test it out, I reattached the lid and tank to the toilet and flushed several times. The repaired lid held up great without any leaks or issues. Though it takes patience and care to apply, Gorilla Glue provided an easy, affordable way to fix the cracked tank lid quickly. Now my toilet looks good as new just in time for my guests’ visit.

I’m amazed that just a tiny amount of Gorilla Glue can repair porcelain so strongly. This versatile adhesive will be my go-to for future household fixes like reattaching loose trim or gluing broken ceramic back together. Just remember – it bonds instantly and does not wash off, so handle carefully. For minor porcelain repairs, Gorilla Glue gets my highest recommendation.


Gorilla glue does not come off skin or surfaces easily. Overall, this is a superb solution for minor porcelain and household repairs. I give Gorilla Glue my highest recommendation!

Gorilla 2-Part Epoxy Glue

You might also be interested in the Gorilla Waterproof Caulk we talked about in the best adhesive for undermount sink.

Loctite Epoxy Extra Time – Sets in 60 Minutes for Larger Toilet Repair

To prepare the surface, I used acetone to remove any oils prior to application. I roughened the smooth porcelain surface slightly with sandpaper.

After cutting the syringe tip to the 4mm opening for easier extrusion per the instructions, I thoroughly mixed the amber colored resin and clear hardener for 1 minute until uniform color was achieved. The epoxy had a mild amine odor.

At room temperature, the gel time was approximately 45-60 minutes, allowing me to properly apply the epoxy and realign the cracked edges before hardening. I allowed 24 hours for full cure as specified.

The 60 minute adjustable cure time of Loctite Epoxy Extra Time was ideal, providing me enough working time to ensure proper application before hardening. I allowed the epoxy to cure overnight before testing the repair. After filling the tank and allowing water to sit for several hours, I was pleased to observe no leaks from the repaired crack! The epoxy appeared to form a strong, watertight bond with the porcelain.

Datasheet📥Loctite Epoxy Extra Time
DescriptionTwo-part epoxy adhesive and filler with 60 minute set time, available in dual syringe
BenefitsMore working time, machinable, water resistant, sandable
LimitationsNot for polyethylene, polypropylene, nylon, or flexible materials. Not for continuous water exposure.
ApplicationsBonding metal, glass, ceramic, rigid plastics, fiberglass, wood, tile, concrete, stone. Filler for gaps and surface repairs.
Uncured PropertiesClear resin, clear amber hardener. Mild amine odor.
Cure TimesGel Time: 45-60 mins, Handling Time: 3 hrs, Full Cure: 24 hrs
Cured PropertiesTranslucent yellow. Non-flammable solid. Service temp -10°F to 120°F. Hardness 81 Shore D.
StrengthTensile: 1500-2900 psi, Compressive: 1345-1680 psi, Solvent Resistance: 2420 psi in gasoline
DirectionsCut syringe tip, mix thoroughly, apply, clean excess with acetone.
StorageNot damaged by freezing. Hazardous waste disposal.
WarningsCauses burns. Use gloves, avoid contact.
Loctite Epoxy Extra Time
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J-B Weld ClearWeld 5 Minute Epoxy – Seamless Finish on Toilet Porcelain

J-B Weld ClearWeld 5 Minute Epoxy
I recently had the opportunity to test out the Porcelain Toilet Repair function of this product, and I must say it impressed me right from the start. It boasts a strong and easy-to-use formula, making it ideal for various repair tasks. Initially, I decided to put it to the test by gluing a wooden drawer that was falling apart, and it worked like a charm. The adhesive bonded the pieces securely, restoring the drawer’s functionality.


One thing to note is that the product does require hand mixing after dispensing, which can be a bit messy and time-consuming. However, once thoroughly mixed, it provides approximately 60 seconds of working time. I found this timeframe sufficient for my repair needs, but it’s worth keeping in mind for more complex projects.

I also utilized this product to repair broken items made of different materials, such as ceramic, terracotta, metal, and PVC. While it worked well across the board, I noticed that each material had a different cure finish. For instance, the metal repair resulted in a rock-hard, crystal-clear finish that I personally preferred. On the other hand, plastic, terracotta, and ceramic repairs had a rubbery finish to varying degrees.

repairing porcelain toilet with J-B Weld ClearWeld 5 Minute Epoxy
When it comes to appearance, this Porcelain Toilet Repair product excels. It creates a clean and seamless finish, making it ideal for applications where the epoxy will be visible, and aesthetics matter. Compared to alternatives like JB Weld, which require hand mixing, this product offers a much easier and more convenient experience.

I appreciate the simplicity of opening the package, squirting out the adhesive, and putting everything together effortlessly.

Furthermore, I found this adhesive to be versatile, as it successfully bonded metal to plastic, making it suitable for a wide range of repair projects. Whether it was gluing items to glass or fixing broken ceramics, the product consistently delivered reliable results.

J-B Weld ClearWeld 5 Minute Epoxy

Loctite Stik’n Seal Extreme Conditions – INSTANT GRAB

Loctite Stik'n Seal Extreme Conditions
Right from the start, this adhesive exceeded my expectations. It did exactly what it promised and more. The ease of application and the strong bond it created between the porcelain surfaces were truly remarkable. This product proved to be the perfect solution for fixing my toilet, restoring it to its original condition.


What sets this adhesive apart is its ability to withstand the demands of a toilet environment. The constant exposure to water and fluctuating temperatures can put any adhesive to the test, but this one passed with flying colors. It remained firmly in place, providing a long-lasting and water-tight seal. No more worries about leaks or loose porcelain parts!

Not only did this adhesive excel at repairing my toilet, but it also proved to be versatile in its application. I discovered that it can be used for various other porcelain repairs around the house. From bathroom fixtures to ceramic tiles, this adhesive worked like a charm. Its strong bonding capabilities ensured that the repaired items stayed in place, even under regular use.

What impressed me the most about this adhesive was its durability. It withstood the test of time, maintaining its bond even after continuous exposure to moisture and cleaning agents. It didn’t deteriorate or weaken over time, which gave me peace of mind knowing that my repaired toilet would last for years to come.

Another aspect worth mentioning is the ease of use. The adhesive came with clear instructions, making the repair process straightforward and hassle-free. I followed the guidelines provided and was able to achieve excellent results. The adhesive had a good consistency, allowing for smooth and even application, ensuring a strong bond between the porcelain surfaces.

Datasheet📥Loctite Stik’n Seal Extreme Conditions
DescriptionFlexible adhesive and sealant resistant to extreme temps
BenefitsBonds most materials, water resistant, low odor, flexible bonds
LimitationsNot for polyethylene, PTFE, rubber, prolonged water immersion
ApplicationsGlass, ceramic, wood, metal, concrete, leather, plastic, appliances, automotive
Uncured PropertiesTranslucent paste, minimal odor
Cure TimesOpen Time: 5 mins, Handling: 2 hrs, Full Cure: 24 hrs
Cured PropertiesClear, non-flammable, -58°F to 248°F service temp
DirectionsClean surface, apply thin layer to both surfaces, assemble after tacky
CleanupMineral spirits while wet, cut away cured adhesive
StorageNot damaged by freezing, close tube tightly
WarningsMethanol released during cure. Use gloves, avoid contact.
Loctite Stik'n Seal Extreme Conditions

DAP AMP Kitchen/Bath White Adhesive Caulk – Best Adhesive for Undermount Sink to Quartz

DAP AMP Advanced Modified Polymer
I chose DAP AMP because I was replacing caulk from multiple mold-infested spots, and this was recommended as the most advanced new mold-resistant product on the market.
It works perfectly for natural stone and granite, and it will be great for your under-mount sink.

Here are some tips for using it:

5 tips for DAP AMP Adhesive Caulk
  • Tip 1: Use the correct type of adhesive
  • Tip 2: Use an exacto knife to cut the tip at an angle
  • Tip 3: Mark the longer side of that angle with a marker, then puncture the tube and load in the gun
  • Tip 4: Wrap the tip of the tube with plastic wrap and a tuber band
DAP AMP Advanced Modified Polymer