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💧 Seal the deal with invisible strength — don’t let leaks cramp your drive!
Permatex 81730 Flowable Silicone Windshield & Glass Sealer is a compact, clear silicone formula designed to flow into hard-to-reach areas, forming a tough, waterproof, and durable seal. It resists extreme temperatures (-80°F to 400°F), vibration, shock, and most chemicals, making it ideal for sealing leaks in automotive glass and windshields. Trusted by thousands with a 4.2-star rating, it’s the go-to solution for professional-grade leak protection.
| ASIN | B000BKEBO0 |
| Best Sellers Rank | 3,728 in Automotive ( See Top 100 in Automotive ) 54 in Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Colour | Clear |
| Compatible Material | Glass |
| Customer Reviews | 4.2 out of 5 stars 5,710 Reviews |
| Global Trade Identification Number | 00686226817303 |
| Item Dimensions | 20.3 x 10.2 x 2.5 centimetres |
| Item Form | cylindrical |
| Item Weight | 1.5 Ounces |
| Item dimensions L x W x H | 20.3 x 10.2 x 2.5 centimetres |
| Item weight | 1.5 Ounces |
| Manufacturer | Permatex Products |
| Manufacturer Part Number | 81730 |
| Material | Silicone |
| Model Number | 81730 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Style | Compact |
| Style Name | Compact |
| Surface Recommendation | Glass |
| UPC | 079340817302 686226817303 |
| Unit Count | 42.5243 gram |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
K**R
It works!!
Really good stuff, had a leak on my windscreen,cleaned area with brush and cloth and an acetate cleaner.It rained heavily an hour and a half later and no water came in so would recommend.
W**S
Worked very well
Worked very well easy to use fixed my windscreen amazing product
C**W
Cured leak on top of windscreen.
Did the job of sealing a leak on the seal between the on the mounting mastic and top of the screen on our Ford focus. Flows really well for silicone sealer. Hope the seal lasts!
T**R
Good stuff
Did a great job of resealing the window on my Z4. No issues when applying it. Good bond.
S**6
may seal leaks but water finds others
I followed the youtube vid to see how to use this. Straightforward to apply. Problem is that it seals up the area where you think the windscreen seal has failed, but the water may just be redirected to another gap. Unfortunately I am now getting more water inside the car than before.
A**R
Sealant review
My classic car had a pool of water in footwell after I forgot cover. I used this sealant around windscreen and waited for rain . Car now free of leaks , easy to apply and very effective.
R**T
Easy to apply
Works as described, very easy to apply
D**E
Silicone
Not flowable
J**G
Handy little tube for window leaks
Already tired of the tiny drip from my home office window, i grabbed this and fixed it on a Saturday before emails piled up again. The tip lets me run a thin bead along the glass edge, then I just nudge it in with a card. No more draft on my keyboard, which made me really glad I tried it bc I can work in a hoodie, not a coat.
A**R
Item was open
I received an opened item that was patched up with tape
M**N
Lättare att jobba med i separat spruta.
Jag tappade över till en spruta. Silikonen var lättjobbat och flöt ut bra. Jag kommer att beställa det på nytt.
Z**N
Good
Good
P**H
Good product
Very good super product I use this car front glass for water leaks Now there is no leakage …. Even single drop no leakage
Trustpilot
5 days ago
4 days ago