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🔧 Seal it like a pro, weatherproof your world!
Permatex 81158 Black Silicone Adhesive Sealant is a premium 3 oz. tube of black RTV silicone designed for professional-grade bonding, sealing, and repairing across multiple materials including glass, metal, plastics, and vinyl. Engineered for indoor and outdoor use, it withstands extreme temperatures from -75°F to 450°F, is fully waterproof, flexible, and resistant to oil, grease, and vibration. Ideal for automotive, electrical, and household applications, this sealant ensures durable, long-lasting repairs on both vertical and horizontal surfaces.


| ASIN | B000AL6WLA |
| Best Sellers Rank | #3,771 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Silicone Adhesives |
| Brand | Permatex |
| Brand Name | Permatex |
| Colour | as shown pic |
| Compatible Material | Glass, Metal, Plastic, Vinyl |
| Country of Publication | USA |
| Customer Reviews | 4.5 out of 5 stars 11,106 Reviews |
| Global Trade Identification Number | 00686226811585 |
| Included Components | Auto part, Automotive Accessories, Replacement and Performance parts |
| Item Dimensions | 20.3 x 10.2 x 5.1 Centimeters |
| Item Form | Liquid |
| Item Type Name | Silicone Adhesive Sealant |
| Item Weight | 0.2 Pounds |
| Item dimensions L x W x H | 20.3 x 10.2 x 5.1 Centimeters |
| Manufacturer | Permatex |
| Manufacturer Part Number | 81158 |
| Material | Silicone |
| Material Type | Silicone |
| Model | 81158 |
| Style | 3 oz. |
| Style Name | 3 oz. |
| Surface Recommendation | Fabric |
| UPC | 686226811585 |
| Unit Count | 85 Grams |
| Warranty Description | This is TrueValue® American Product. Made in USA |
| Water Resistance Level | Waterproof |
J**Y
Strongest bond
Very strong stuff! Fixed my flip flops. May get a bit dirty so wear gloves. I didn’t…
C**N
Effective and has a wide usage especially in automobiles
Quality products
V**I
Good Packing
Order received with good packing
A**C
Excellent water repelling property
Excellent to repel water after curing, which usually takes 8 hours. But only difficulty is in squeezing the tube to get the gel out. Overall nice product
R**A
Excellent
Excellent
J**V
Do not buy, its very dangerous to skin.
Very irritating sensation to skin if accidentally in contact with the skin....its effect will long lasting even we thoroughly wash.
M**L
Solid sealant - saved my aftermarket brake lights🤷🏼
I used this to seal around a set of aftermarket rear brake lights after my original ones let water in and ended up getting damaged. Applied a clean bead around the edges and let it cure for the full 24 hours. The day after, we had heavy rain and so far it's holding up great - no leaks and the seal feels strong. It used just over half the tube for both lights, so if you're planning a bigger job or sealing more than one area, I'd definitely recommend picking up two tubes just in case. Will update if anything changes, but so far this stuff is doing exactly what I needed.
W**R
防水シーリングとして使用
グリルマーカーを付けるためにグリルに穴あけをして裏側の配線ごと接着、防水シーリングとして使用。一晩放置で完全に固まって3ヶ月経ってもグラ付きは無いです。効果は文句無し。ただチューブ製なので作業しているとやがて手が真っ黒になって洗い落とすのが大変になるので手袋が必須です。
A**0
It's the best one out there.....
It worked really well. Good quality.
E**Z
Mis chapas y cerraduras jamás habían trabajado tan bien... ni nuevas!
No es exageración. Un apretón (de acuerdo a las instrucciones y si no puedes ver algún video tutorial por si dudas de cómo aplicarlo, yo dudé) y comienza la magia. Es un polvito negro muy fino por lo que guantes o una limpieza de manos a conciencia es recomendable. Las chapas y cerraduras con problemas de que la llave no entra a la primera, se debe aplicar fuerza o rechina simplemente comienzan a desaparecer al paso de la primer aplicación. Yo juegué un poco con las llaves (meter, sacar, meter, sacar, girar) un par de veces para que el polvo comience a esparcirse. EXCELENTE AHORA! Con el paso de los días (creo porque se va distribuyendo mejor) su funcionamiento se vuelve mejor. Sigan las instrucciones y contraindicaciones ya que parece un artículo fácil pero requiere de su atención. Volveré a comprar sin dudarlo. Lo combiné con un lubricante de litio que también compré en Amazon y la verdad hasta gusto me da abrir mis puertas!
C**O
Tutto ok
Tutto ok
Trustpilot
3 days ago
3 weeks ago