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J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.

4.6 4.6 out of 5 stars 13,211 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Gasket Sealers by J-B Weld

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Red
3 Ounce

Purchase options and add-ons

Brand J-B Weld
Material Silicone
Compatible Material Metal
Item Form Oz
Special Feature Crack Resistant, Waterproof, Strong

About this item

  • HI TEMP RED SILICONE GASKET MAKER & SEALANT: Is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects
  • EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe
  • VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond
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From the manufacturer

J-B Weld Silicones & Gasket Makers World's Strongest Bond
J-B Weld red silicone sealant

J-B Weld Silicone Sealant & Adhesive

J-B Weld Hi-Temp Red Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550°F or 650° intermittent might exist. Upon curing, which occurs when the product is exposed to the moisture in the air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering, is sensor safe, and is great for many automotive applications.

red silicone Specs

red silicone Great For

red silicone Use On

J-B Weld red Silicone Sealant J-B Weld copper Silicone Sealant J-B Weld clear Silicone Sealant J-B Weld white Silicone Sealant J-B Weld blue Silicone Sealant J-B Weld grey Silicone Sealant
J-B Weld Hi-Temp RTV Silicone J-B Weld Ultimate Copper RTV Silicone J-B Weld Clear RTV Silicone J-B Weld White RTV Silicone J-B Weld Blue RTV Silicone J-B Weld Ultimate Grey RTV Silicone
Customer Reviews
4.6 out of 5 stars
13,211
4.6 out of 5 stars
13,211
4.6 out of 5 stars
13,211
4.6 out of 5 stars
13,211
4.6 out of 5 stars
13,211
4.6 out of 5 stars
13,211
Product Description J-B Weld Hi-Temp RTV Silicone & Gasjet Maker is designed for use in mechanical assemblies where the continuous temps up to 550F or 650F might exist. It will not shrink, crack and resist weathering. It is sensor safe for many auto applications. J-B Weld Ultimate Copper Gasket Maker & Sealant is designed for use in mechanical assemblies where high torque or closely spaced bolt profiles cause gasket and sealing failures. It will not crack or shrink, resists weathering, and is sensor safe. J-B Weld Clear RTV Silicone Sealant is a general purpose adhesive designed for household or mechanical assembly applications. It will not crack or shrink, resists weathering, is sensor safe and is great for many household & automotive applications. J-B Weld White RTV Silicone Sealant & Adhesive is a general purpose adhesive designed for household or mechanical assembly applications. Upon curing, it will not crack or shrink, resists weathering, is sensor safe and is great for many applications. J-B Weld Blue Silicone Gasket Maker & Sealant is designed for use in mechanical assemblies, seling and bonding uneven surfaces. Upon curing, it will not crack or shrink, resists weathering, is sensor safe and is great for many automotive applications J-B Weld Ultimate Grey RTV Gasket Maker & Sealant is designed for use in mechanical assemblies where higher torque or closely spaced bolt profiles. It will not shrink or crack, resists oil & petroleum products, weathering and up to 500F°.
Surface Application Great for: Oil Pans, Valve Covers, Exhaust Manifolds, Water Pumps, Timing Covers, Differential Covers, Drive Housing, Oven Doors & more! Great for: Exhaust Manifolds, Thermostat Housing, Valve Covers, Differential Covers, Timing Gear Covers and etc. Great for: Windshield, Windows, Lens Housing, Door Frames, Tub & Shower, Aquariums and more! Great for: Tub & Shower, Sinks & Bathroom Fixtures, Windows, Interior Trim, Moldings, Door Frames, Lens Housing and more! Great for: Timing Gear Covers, Transmission Pans, Oil Pans, Water Pumps, Valve Covers, Differential Covers, Thermostat Housing and more! Great For: Import Vehicles, Intake Manifolds, Transmission Pans, Oil Pans, Timing Gear Covers, Cam Covers and more!
Cure Color Red Copper Clear White Blue Grey
Set Time 1 Hour 1 Hour 1 Hour 1 Hour 1 Hour 1 Hour
Cure Time 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours

Product Description

J-B Weld Hi-Temp Red Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering, is sensor safe and is great for many automotive applications.

Product information

Technical Details

Additional Information

Warranty & Support

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J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.


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What's in the box

  • JBWeld 31314
  • Compare with similar items

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    J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
    J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
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    Details
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    Price$7.90$8.99-7% $9.30
    List:$9.96
    $8.68-23% $9.99
    List:$12.97
    $14.85
    Delivery
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Customer Ratings
    Adhesion
    4.4
    3.4
    3.9
    4.4
    4.7
    4.3
    Easy to use
    4.2
    3.1
    4.2
    4.5
    4.4
    4.0
    Value for money
    4.1
    2.8
    3.5
    4.7
    4.3
    Heat resistance
    4.3
    4.2
    4.0
    4.3
    Sold By
    Amazon.com
    Realth LLC
    Amazon.com
    Amazon.com
    inconsupply
    Amazon.com
    color
    Red
    black
    Grey
    Dark Grey
    Red
    Red
    compatible material
    Metal
    Metal, Stainless Steel, Glass, Aluminum, Wood
    Metal
    Polyvinyl Chloride
    Automotive,industrial
    Metal
    volume
    3 fluid ounces
    3.53 fluid ounces
    2 fluid ounces
    25 milliliters
    2.8 fluid ounces
    10.3 fluid ounces
    number of items
    1
    1
    1
    1
    1
    water resistance
    waterproof
    waterproof
    not water resistant
    water resistant
    waterproof
    container type
    Tube
    Tube
    Cartridge
    Can
    Tube
    Cartridge
    full cure time
    24 hours hours
    8 hours hours
    1 hours hours

    Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    13,211 global ratings

    Customers say

    Customers like the performance and quality of the bonding adhesives. They mention that it works well as a gasket and provides a rock-solid and leak-free seal. That said, some complain about the durability of the product. Opinions are mixed on ease of use and seal quality.

    AI-generated from the text of customer reviews

    284 customers mention245 positive39 negative

    Customers like the performance of the bonding adhesive. They say that it works well as a gasket, and has worked for many small projects. Some customers also mention that the product is terrific and revolutionary.

    "...Sealant and Adhesive, and I must say, I am thoroughly impressed with its performance and versatility...." Read more

    "...As a dependable product, it lived up to its promise and did not disappoint. It created a strong seal and provided a professional-grade finish...." Read more

    "Works as expected." Read more

    "...Wanted job done and taped the tube up and used it. Works well." Read more

    263 customers mention212 positive51 negative

    Customers like the quality of the bonding adhesive. They say it provides a rock-solid and leak-free seal, and it withstands a wide range of environmental conditions. Customers also say it's able to hold strong and is a thick paste.

    "...Once applied, it forms a strong and resilient bond that withstands a wide range of environmental conditions, including temperature fluctuations,..." Read more

    "...As a dependable product, it lived up to its promise and did not disappoint. It created a strong seal and provided a professional-grade finish...." Read more

    "...It’s rated for temperatures over 600° and it dries red. Super strong bond glass to steel and hasn’t come loose anymore at all buy it if you want to..." Read more

    "...J-B Weld has once again delivered a high-quality product, and if you're seeking a dependable all-purpose sealant and adhesive, this clear variant is..." Read more

    120 customers mention90 positive30 negative

    Customers like the adhesion of the bonding adhesive. They say it sticks well to plastic, and has ensured a rock-solid seal. The strong bond it creates is exceptional, and it holds tight in their projects. It dries fast and is sticky to keep the plastic moving while curing. It's the perfect adhesive for fixing convertible rear windows, and does a nice job of securing molding and keeping out water.

    "...This silicone sealant and adhesive excel in creating durable bonds and providing effective sealing, making it a go-to choice for a wide range of..." Read more

    "...heat resistance, quick curing time, versatile applications, excellent adhesion, chemical resistance, easy application, and long-lasting durability...." Read more

    "Perfect adhesive for fixing convertible rear window. Trims out nicely when dry." Read more

    "...to "snap" together and while you can get them snapped, they don't stay that way! They slide apart every time you try to move the stupid tiles...." Read more

    132 customers mention84 positive48 negative

    Customers are mixed about the ease of use of the bonding adhesive. Some mention it's very easy to work with, simple, and sticks well to plastic. However, others say that it'll be hard to squeeze out of the cap and tube.

    "...Its durability, ease of use, and versatility make it a standout product in its category, and I will certainly continue to rely on it for all my..." Read more

    "...A little messy and hard to squeeze out of the tube. But my water pump hasn't leaked since." Read more

    "First, I'd like to say that this product was surprisingly easy to use. As a dependable product, it lived up to its promise and did not disappoint...." Read more

    "...The ease of application and quick curing time add to its appeal, making it a valuable addition to any toolbox...." Read more

    130 customers mention76 positive54 negative

    Customers are mixed about the seal quality of the adhesive. Some mention that it works great for sealing window leaks, and the consistency of the sealant is ideal. However, others say that it does not seal, is thick coming out, and creates an air leak.

    "...The consistency of the sealant is ideal—not too runny, yet smooth enough to spread evenly and fill in cracks and gaps effectively...." Read more

    "...After much cleaning and driving I discovered the oil leak from the main cannon style electrical connection at the valve body...." Read more

    "...It created a strong seal and provided a professional-grade finish...." Read more

    "...shower that was completely coming apart at the seam, and leaking water all over the place..." Read more

    175 customers mention7 positive168 negative

    Customers are dissatisfied with the durability of the bonding adhesives. They mention that it ruptures at the seam and the tube breaks.

    "...fix my kenmore oven glass door that had come loose and was causing problems opening door...." Read more

    "...I did waste of lot of product because the bottom of the tube busted during use." Read more

    "Shipping was as usual but product was damaged. Understandable, didn’t even bother to complain. Wanted job done and taped the tube up and used it...." Read more

    "...They slide apart every time you try to move the stupid tiles...." Read more

    Buy this to fix your loose glass door oven
    5 Stars
    Buy this to fix your loose glass door oven
    Used this to fix my kenmore oven glass door that had come loose and was causing problems opening door. I just squeeze contents of tube onto glass and waited overnight for it to dry. It’s rated for temperatures over 600° and it dries red. Super strong bond glass to steel and hasn’t come loose anymore at all buy it if you want to fix your oven.
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    Top reviews from the United States

    Reviewed in the United States on February 29, 2024
    Color: BlackSize: 3 OunceVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on March 19, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Reviewed in the United States on February 19, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Customer image
    Bob
    5.0 out of 5 stars Buy this to fix your loose glass door oven
    Reviewed in the United States on February 19, 2024
    Used this to fix my kenmore oven glass door that had come loose and was causing problems opening door. I just squeeze contents of tube onto glass and waited overnight for it to dry. It’s rated for temperatures over 600° and it dries red. Super strong bond glass to steel and hasn’t come loose anymore at all buy it if you want to fix your oven.
    Images in this review
    Customer image
    Customer image
    One person found this helpful
    Report
    Reviewed in the United States on March 8, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Reviewed in the United States on January 24, 2024
    Color: ClearSize: 3 OunceVerified Purchase
    4 people found this helpful
    Report
    Reviewed in the United States on March 16, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Reviewed in the United States on December 28, 2023
    Color: ClearSize: 3 OunceVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on February 7, 2024
    Color: Ultimate BlackSize: 3 OunceVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Amazon Customer
    5.0 out of 5 stars Good product
    Reviewed in Canada on January 3, 2024
    Color: ClearSize: 3 OunceVerified Purchase
    tomas
    5.0 out of 5 stars Excelente producto
    Reviewed in Mexico on January 29, 2023
    Color: Ultimate BlackSize: 3 OunceVerified Purchase
    Skid
    5.0 out of 5 stars Can't go wrong with this stuff
    Reviewed in the United Kingdom on February 6, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Brijesh
    5.0 out of 5 stars Awesome
    Reviewed in India on February 4, 2024
    Color: RedSize: 3 OunceVerified Purchase
    Roddonus
    5.0 out of 5 stars Works very well.......
    Reviewed in India on June 5, 2022
    Color: WhiteSize: 3 OunceVerified Purchase