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Item #:
8313231
Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
86% of respondents would recommend this to a friend
Item #:
8313231
USD 13
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 29
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Seal, bond, repair, mend and secure glass, metal, plastics, fabric, vinyl, weather stripping, vinyl tops, and more with this black RTV silicone sealant
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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Waterproof Sealant
Provides a strong, waterproof seal that effectively resists moisture, making it ideal for a range of indoor and outdoor applications.
Flexible Application
Maintains flexibility after curing, which allows it to accommodate movement and vibration without cracking, enhancing longevity and durability in various conditions.
Versatile Use
Suitable for multiple surfaces including glass, metal, and plastic, ensuring it meets a wide range of sealing needs for both household and automotive projects.
Product Details
| Package Weight | 1 Pound |
Who Should Buy?
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Automotive Repairs
Ideal for sealing joints and gaskets in automotive applications, providing a strong, flexible bond that withstands harsh conditions.
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Household Projects
Great for DIY home repairs and maintenance, effectively sealing leaks and gaps around plumbing and fixtures.
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Electrical Insulation
Can be used to insulate and protect electrical connections, ensuring durability and resistance to moisture.
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Food Contact
Not suitable for applications involving direct contact with food or food surfaces due to chemical safety concerns.
Product Description
Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is Permatex 81158 Black Silicone Adhesive Sealant used for?
Answer: Permatex 81158 Black Silicone Adhesive Sealant is a versatile sealing solution designed for bonding, sealing, and providing a reliable barrier against moisture and air. This adhesive is ideal for automotive and household applications, such as sealing gaskets, weather stripping, and more. Its black color also makes it suitable for aesthetic applications where color matching is essential. -
Question:
Is Permatex 81158 suitable for outdoor use?
Answer: Yes, Permatex 81158 can be used for both indoor and outdoor applications. It is formulated to resist harsh weather conditions, UV exposure, and temperature fluctuations. This makes it ideal for sealing outdoor fixtures and components, such as vent pipes, windshields, and roofs, effectively preventing leaks and prolonging the life of your projects. -
Question:
How long does it take for Permatex 81158 to cure?
Answer: Permatex 81158 generally requires a curing time of 24 hours to achieve maximum strength. However, initial set times can vary depending on environmental factors like temperature and humidity. Allowing ample curing time ensures a solid bond that can withstand various conditions, making it an excellent choice for long-lasting applications. -
Question:
Can I use Permatex 81158 on plastic surfaces?
Answer: Yes, this silicone adhesive is compatible with many plastics. It can effectively bond and seal plastic components, making it ideal for applications in automotive and home settings. Always test a small area first to ensure compatibility, but generally, it works great for items like plastic housings, trim, and fittings. -
Question:
Is Permatex 81158 resistant to oil and chemicals?
Answer: Permatex 81158 is designed to resist oils, chemicals, and fluids, making it suitable for automotive applications like sealing engine parts and transmission components. This resistance helps maintain a secure seal even when exposed to challenging environments, ensuring the longevity of the bond. -
Question:
What temperature range can Permatex 81158 withstand?
Answer: This silicone adhesive can withstand a wide temperature range, making it suitable for various environments. It remains flexible and retains its seal between temperatures from -65°F to 500°F, allowing for consistent performance in both hot and cold conditions. -
Question:
Can Permatex 81158 be painted over?
Answer: Yes, Permatex 81158 can be painted over once it has fully cured. It is recommended to wait until the adhesive has set completely for the best results. This quality allows you to achieve a professional finish on projects where aesthetics are important, such as automotive repairs or home decor. -
Question:
How should I apply Permatex 81158?
Answer: To apply Permatex 81158, ensure the surfaces are clean, dry, and free from grease. Cut the tip of the tube to your desired bead size and apply the adhesive in a continuous line where needed. Smooth it with a tool or finger to ensure full contact, and allow it to cure per the instructions. This ensures optimal adhesion and performance. -
Question:
What makes Permatex 81158 different from regular glue?
Answer: Permatex 81158 is specifically designed as a silicone adhesive sealant, which sets it apart from standard glue. Unlike regular adhesives, it cures to a durable, flexible rubber that can withstand extreme temperatures, resist moisture, and seal out air and contaminants, making it ideal for automotive and household applications. -
Question:
Where can I buy Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1?
Answer: You can buy Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1 on Ubuy. Ubuy provides a reliable platform for international shipping and offers a variety of products, ensuring you can find what you need conveniently. Check their website to purchase and explore available options.
Permatex Adhesives Editorial Review
Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1 is a top-quality sealant highly favored for its durability and versatility. Users consistently praise its ability to hold up under various weather conditions, making it an ideal choice for automotive applications like attaching carbon fiber spoilers and sealing around GPS antennas. The black silicone cures to a shiny finish and cleverly fills gaps to provide a professional look. Many appreciate the convenient tube design that keeps the silicone usable, although some point out the potential for messiness during application and the single-use nozzle. Overall, it proves to be a dependable adhesive solution for numerous surfaces including glass, metal, and plastic.
Customer Reviews & Ratings
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Pros
- Durable and waterproof for various applications
- Easy to apply with a convenient tube design
- Cures to a shiny finish for professional appearance
- Proudly made by a trusted brand
- Works effectively for automotive sealing tasks
Cons
- Nozzle design restricts multiple uses per tube
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 13
Order now and get it around Tuesday, September 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Professional formula for general purpose
- Can be used inside or outside
- Waterproof and resistant to weather and vibration
- Multipurpose formula with temperature range from -75°F to 450°F
- Ideal for door frames, electrical connections, seams and roofs, vinyl tops, weatherstripping, housings and coverings
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