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🔒 Seal it like a pro — durability and clarity that never quits!
CRL 33S Clear Silicone Sealant is a top-rated, high-performance sealant designed for versatile use on glass, metal, and plastic. It offers superior adhesion, UV resistance, and weatherproof protection, ensuring long-lasting, clear seals indoors and outdoors. Trusted by professionals and DIYers alike, it comes in a convenient plastic cartridge with a screw-on nozzle for precise application.
| ASIN | B000WU25A6 |
| Best Sellers Rank | #26,210 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #66 in Silicone Adhesives |
| Date First Available | October 5, 2007 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 12.3 ounces |
| Item model number | 33SC |
| Manufacturer | C.R. Laurence |
| Product Dimensions | 6 x 6 x 6 inches |
J**D
Best caulk I have found for shower surrounds
Stays clear and does not yellow. Like everything else, when used in a shower surround maintenance cleaning helps keep it looking great. I did not have this product when I did my other shower, and the top of the line big box 10 year no yellow/mold bathroom caulk claim is bogus, didn't last 2. The good part was that the big box caulk came off easily and took no time to replace. I have had this caulk in another bathroom for 4 years and it is as clear as ever, with zero mold. Tooling was a bit harder with this tube than I remembered, but this caulk has really great adhesion, but it looks really good for much longer than any other caulk I have used. I used to have to go to the local glass installers to purchase, and for a premium price, but found it on Amazon. This is really good caulk, but with any caulk you may need to use a primer on certain surfaces. For fiberglass surround and polished nickle aluminum it worked just fine without the primer. Just be careful not to feather out too thin on the edges (just like all caulks) and you will be very happy.
S**S
Great quality
This CRL is what the local RV place uses.. Works awesome
C**N
Clear and easy
The best caulk I have worked with during our bathroom renovations. Super clear and very easy to work with.
K**N
Excellent product, easy to apply
Very good adhesion.
T**O
Good stuff
Best silicone ive ever used
T**E
Great product
Best clear sealant for bath shower glass. Long lasting and durable. Professional grade. Nothing at a hardware store will beat this product. Very clear in comparison to regular silicon. A bit expensive, but worth it.
D**S
Useful
Worked great ….so far it’s been a few months.
F**N
It's fine
This is fine - it worked - it is translucent (not transparent) when it solidifies which was fine for me.
K**E
Great holding power and quick to cure. Used to seal an under counter sink that dropped. No issues after two months so far!
Trustpilot
1 week ago
1 week ago