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🔧 Seal it once, seal it right — the last adhesive you’ll ever need!
CT1CLEAR is a 290ml multi-purpose sealant and adhesive powered by patented TRIBRID Technology, delivering 360% greater strength than typical hybrid polymers. It offers exceptional colour retention, waterproof performance, and vibration resistance, making it perfect for demanding interior and exterior projects. Compatible with a wide range of materials, CT1CLEAR cures quickly without shrinking or yellowing, ensuring a durable, crystal-clear finish that professionals and DIYers trust worldwide.
| ASIN | B002RJ2OS8 |
| Best Sellers Rank | 154 in DIY & Tools ( See Top 100 in DIY & Tools ) 5 in Sealers |
| Brand | CT1 |
| Colour | Pale |
| Compatible Material | Glass, Tile, Concrete, Stone, Synthetic Materials, Plastic |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.6 out of 5 stars 7,639 Reviews |
| Global Trade Identification Number | 08711595081641 |
| Included Components | Applicator Nozzle |
| Item Dimensions | 7 x 6.8 x 23.2 centimetres |
| Item Form | Tube |
| Item Type Name | C-Tec CT1CLEAR CT1 Tube Sealant 290ml Cartridge - Clear |
| Item Weight | 340 Grams |
| Item dimensions L x W x H | 7 x 6.8 x 23.2 centimetres |
| Item weight | 340 Grams |
| Manufacturer | C-Tec |
| Manufacturer Part Number | CT1 539506 |
| Material | Polymer |
| Model Number | CT1CLEAR |
| Number of Items | 1 |
| Style | Compact |
| Style Name | Compact |
| Surface Recommendation | Shower |
| Unit Count | 290.0 millilitre |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
R**E
Absolutely brilliant! Perfect for heavy outdoor planters
I am simply delighted with CT11! I used it to fix heavy planters onto a wall, and the results are absolutely wonderful. Here is why I highly recommend it: Incredible Hold: It holds the planters extremely firm against the wall. Once set, they don’t move at all. It gives you real peace of mind. No Mess: The texture is perfect. It doesn't run or drip during application, making it very clean and easy to work with. Fast Drying: It cures and dries remarkably fast, which is excellent for outdoor projects. This is a top-quality product that does exactly what it promises. I love it and will definitely buy it again
B**S
Great buy
CT1 Grey TRIBRID® is an excellent sealant and adhesive. It bonds extremely well, applies smoothly, and cures to a strong, flexible finish. I used it for sealing and bonding on multiple surfaces, and it held firmly without shrinking or cracking. The grey color looks clean and professional, and it works well even in damp conditions. Very versatile, high-quality product that performs exactly as advertised. I’d definitely use this again for future jobs.
A**R
😁
CT1 can’t go wrong with it it’s very durable and seals really well. The only downside is that it takes a lot of use to get the hang of using it as it can be quite unforgiving so best to have a bit of practice first but once you’ve mastered it it’s so much better than ordinary silicon sealant.
A**R
multi purpose glue,
Great product. Very effective.
C**S
Strong Adhesive
Good strong adhesive, Used on caravan and does the job, Dry's in about 45 minutes, Application is easy and smooths out very well. Colour is white and did not cause any mess.
V**K
A Professional-Grade Sealant That Actually Delivers — Worth Every Penny
Having used a wide range of sealants over the years—from the budget DIY options to the so-called “heavy-duty” ones—CT1 TRIBRID has firmly earned a permanent place in my toolkit. Whether you're sealing around a shower tray, fixing up leaky windows, or tackling awkward corners, this sealant genuinely does it all. 🛠️ Multi-Surface Compatibility One of the standout features is how well it adheres to virtually any surface. I’ve used it on PVC, metal, glass, and even painted timber—without any primer—and the bond has been solid and durable in every case. It doesn’t shrink, crack, or peel with time either, even under temperature changes. 💧 Totally Waterproof, Anti-Mould & Odour-Free Used it around a shower tray and bath area—absolutely zero mould growth even weeks later. It cured quickly without any unpleasant smell and didn’t attract dust or grime the way silicone sometimes does. The waterproofing is genuinely impressive, and it doesn’t go tacky or gummy. 🔧 Flexibility & Vibration Resistance I used it in a campervan project and was impressed by its ability to handle vibration and movement without breaking its seal. It’s flexible enough to expand and contract slightly with materials, which makes it ideal for long-term projects or exposed applications. 🎨 Aesthetic Finish in Blue The blue variant gives a clean, modern finish—great when you want a pop of colour or need visibility during application (e.g., around flanges or fittings). Smooths out cleanly with a bit of soapy water or tooling spray. Verdict: If you're tired of redoing poor sealant jobs or wrestling with adhesives that promise more than they deliver, CT1 is the upgrade you've been looking for. It’s not the cheapest—but it’s one of the most reliable, efficient, and cleanest multi-purpose adhesives I’ve used to date. ✅ Ultra-versatile ✅ Strong initial tack and long-term hold ✅ Great in wet, cold, or warm conditions ✅ Mould-resistant and odour-free Highly recommended for both professionals and serious DIYers.
R**S
Excellent product
Best glue and sealant I have ever used, this works and stuck our shower door frame very well
E**B
Excellent
This stuff is brilliant!!
D**N
CT1 clair Construction Unique Mastic et adhésif
Excellent produit...
C**N
Estupendo
Lo estoy aprovechando para pegar cosas dentro del agua y en otros sitios con diversos materiales , funciona muy bien.
P**D
Kind of useless
Not as good as advertised
T**R
Immediate Waterproof Seal
Great stuff. Used to waterproof and seal wiring access plug in an outdoor fountain basin. Immediately waterproof and can be submerged indefinitely.
T**N
NO TOPS WITH PRODUCT
The product might be great but it is really hard to pay $25 dollars for something that you have to go buy something else to use it. I purchased 2 tubs and both tubs had no top with them. When I went back and read a few reviews I noticed that others said the same thing. So unfortunately after waiting all the time to get them and paying a lot of money for them, I got to spend more money to buy a product that had the top with it so I could use the top from the product. So total the tubs cost me $32 each.
Trustpilot
1 month ago
1 month ago