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LLPT Butyl Seal Putty Tape is a 3mm thick, 19mm wide, 10-meter long black synthetic rubber tape designed for airtight, waterproof sealing on diverse surfaces including glass, metal, wood, and plastic. Resistant to water, chemicals, and temperatures up to 98°C, it offers easy molding and instant adhesion, making it ideal for RV repairs, window sealing, roof patching, and more. Trusted by thousands with a 4.5-star rating, this tape delivers durable, mess-free protection for both indoor and outdoor applications.










| ASIN | B08HSY9N76 |
| Best Sellers Rank | 10,071 in DIY & Tools ( See Top 100 in DIY & Tools ) 13 in Butyl Tape |
| Brand | LLPT |
| Colour | 1 X Black |
| Compatible Material | Glass |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 2,713 Reviews |
| Global Trade Identification Number | 07915901300544 |
| Included Components | 1 Pack Butyl Tape |
| Item Dimensions L x W x Thickness | 19W x 3Th millimetres |
| Item Resistance | Chemical Resistant, Cold Resistant, Heat Resistant, Water resistant |
| Item Thickness | 3 Millimetres |
| Item Weight | 0.83 Kilograms |
| Manufacturer | LLP International Group |
| Manufacturer Part Number | BST343 |
| Material | ROHS Rubber |
| Model Number | BST343 |
| Number of Items | 1 |
| Number of items | 1 |
| Other Special Features of the Product | Strong |
| Recommended Uses For Product | Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass |
| Recommended uses for product | Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass Recommended uses for product Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass See more |
| Size Name | 19MM X 10M |
| Special feature | Strong |
| Surface Recommendation | Glass, Metal, Plastic, Wood |
| UPC | 791590130054 |
| Unit Count | 10.0 meter |
| Upper Temperature Rating | 98 Degrees Celsius |
| Water Resistance Level | Water Resistant |
T**P
Good quality
Good quality
M**E
Works well
Well packaged and easy to use
R**T
Well packaged
The manufacturer has put lots of thought into the packaging, to ensure the putty tape stays well formed, and doesn’t get damaged in transit. I’d certainly buy this again. Even better if it was available in white.
L**R
Sticky, sticky.....
I usually buy a mastic based sealant to seal my Motorhome roof windows, after a recommendation from a friend I looked at the Butyl strips as an alternative, the other 'Named' brands were a 5 meter roll for roughly the same cost as this item but this one has 10 meters on the roll so better value straight away. Still a bit sceptical, I installed the tape on the roof and Ohh my word, it sticks, I mean, it really sticks, when you use this you only get one chance to get it right, so be precise and certain you have everything lined up correctly. The window has been fitted and it has sealed perfectly, there was heavy rain that evening and there were no leaks at all. Highly recommend this tape and I certainly won't be going back to the mastics.
J**E
Sealer
Works a treat seals no issues
R**R
Great stuff
Great product, sticks well and should be waterproof. We'll see!
I**N
Great for boat window frames
Used to reseal the aluminium window frames to our GRP boat. Worked very well and now we don't have any leaks! Be careful not to let the putty contact anything else in the process as once it sticks to something else, it ends in a big mess!!! Also when dropping the frames back in, you only really get one chance - so make sure its aligned exactly. A big advantage is once the window frame is back in place, its water tight - no need to wait for it to cure like other sealants.
J**S
Tape
Quality kit
A**Z
Muy buena y recomendable
La he utilizado para sellar la claraboya Seitz grande de techo en mi AC y estoy muy contento con el resultado. No escatimes en cantidad al montar. No vuelvo a usar polímero para sellado nunca más, ya me ha fallado varias veces con filtraciones. Mucho más seguro el butilo.
S**S
Excelente
Muito bom material , bastante maleável excelente para aplicar
L**O
Professionale e conveniente
Utilizzato sul camper per rimontare una finestra panoramica dopo averla revisionata ,dietro il paraurti e dietro le bandelle laterali .Eccellente prodotto.
A**E
Gutes dauerelastisches Dichtband
Habe das Band zum Eindichten einer Dachluke, sowie mehrerer Lüftungsgitter am Wohnwagen benutzt. Lässt sich sehr einfach und gut verarbeiten. Es ist alles dicht. Das Produkt bleibt elastisch und härtet nicht aus! Damit ist es perfekt geeignet um vibrierende Bauteile oder welche mit starker Wärme- Kälte-Ausdehnung abzudichten.
P**G
Nice product
Worked great to seal my truck cap windows.
Trustpilot
2 days ago
2 weeks ago