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

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

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

Compatible Material
Metal
Color
Red
Brand
J-B Weld
Package Information
Tube
Item Volume
3 Fluid Ounces


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.




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
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

Features & details

Features

  • 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

Product information Red

    Additional Information

  • ASIN: B00ID8IUJY
  • Customer Reviews: 4.6 out of 5 stars 6,788Reviews
  • Best Sellers Rank:
    #329 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
    #47 in Industrial Adhesives, Sealants & Lubricants
  • Date First Available: September 1, 2004
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Customer Questions

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Q: My portable convection oven (heats to 500 degrees) glass door fell out of the metal bracke…

A: Be careful of sealant giving off toxic fumes the first few times you use it. Try heating …

Clark G. | 5 years ago

Q: Would this be a good product for sealing a crack in a dishwasher liner?

A: Yes- I did this, along with filling in a gap on the dishwasher door gasket (which was ulti…

SLS_E&ES | 1 year ago

Q: Can you remove it if needed?

A: Believe the instructions are on the back side of the package. You can use acetone or pai…

sailor | 5 years ago

Q: Can I use it to glue shower mirror to tile in my shower

A: You can but it will probably leach through the mirror coating and appear as mold.
Buy mir…

D. Lamb | 3 years ago

Customer reviews

4.6 out of 54.6 out of 5
6,788 global ratings

Reviews with images

Top reviews from the United States

Brenna M. Olson
5.0 out of 5 starsVerified Purchase
Satisfied! Good for rednecking vehicle repairs.
Reviewed in the United States on June 2, 2018
Color: Ultimate Black
My vehicle is basically being held together with this stuff, and it''s working great! I used this to reattach the handle on my lift gate that was loose as well as seal a window and put back on a mirror. We had a brutally cold winter this year, and it held up just fine. I''m... See more
My vehicle is basically being held together with this stuff, and it''s working great! I used this to reattach the handle on my lift gate that was loose as well as seal a window and put back on a mirror. We had a brutally cold winter this year, and it held up just fine. I''m sure I''m not using how it''s supposed to be used, but when you''re broke and have a 18 year old vehicle, you do what you have to.
78 people found this helpful
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ElbeauTop Contributor: BBQ Styles
4.0 out of 5 starsVerified Purchase
Stays flexible. Doesn''t Let Go
Reviewed in the United States on May 21, 2019
Color: Clear
Okay, I screwed up. When I initially reviewed this, I complained that it dried hard and virtually impossible to remove. I was wrong. After finally being able to pry off the plastic item I glued to plastic in my car, I discovered the glue was, in fact, still flexible. So, if... See more
Okay, I screwed up. When I initially reviewed this, I complained that it dried hard and virtually impossible to remove. I was wrong. After finally being able to pry off the plastic item I glued to plastic in my car, I discovered the glue was, in fact, still flexible. So, if you are looking for a glue that stays flexible yet has incredible grip, this is it. If, however, you chose this with the idea of being able to easily remove it later, forget it.
50 people found this helpful
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E. Heinrich
1.0 out of 5 starsVerified Purchase
First squeeze of tube pushed silicone out the wrong end
Reviewed in the United States on July 28, 2019
Color: Black
I''ve used dozens of similar products that come in a tube, made of thin aluminum I believe. In fact, I''ve used a number of J-B Weld products in the past and bought this because of past positive experiences. Following the directions on the package, I used the reverse end of... See more
I''ve used dozens of similar products that come in a tube, made of thin aluminum I believe. In fact, I''ve used a number of J-B Weld products in the past and bought this because of past positive experiences. Following the directions on the package, I used the reverse end of the plastic cap to puncture the opening on the nozzle end and screwed on the long plastic tapered applicator nozzle. I trimmed the nozzle to size which opened the end. So far, so good.
I had prepped the window seal I planned to silicone and began gently squeezing the tube. Some thick black silicone came out the applicator nozzle tip as expected, but unexpectedly a large glob of silicone flowed out the other end of the tube which is supposed to be sealed. Much like a toothpaste tube, typically there is an initial crimped fold of the base of the tube which in this case, appeared to be unfolded, and un-crimped in this tube allowing the silicone to simply push out the wrong end. I had not noticed the defect when I first unpackaged the tube as the bottom end was flat and aligned.
Needless to say it was a terrible mess. I had silicone all over my gloves, on my car body and window, and was really frustrated. I suspect a manufacturing failure to fold and crimp seal the end of the tube. I spent the next 30 minutes cleaning everything up and throwing out gloves, rags, and paper towels. I wish I could try it again but not going to risk buying another bad tube. I''ll stick to other J-B Weld products for now.
38 people found this helpful
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Scott BlackTop Contributor: Photography
5.0 out of 5 starsVerified Purchase
My car is now space worthy
Reviewed in the United States on December 27, 2019
Color: Red
After replacing my water pump and using J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red to help seal the gasket and pump to the engine block, my car began to exhibit strange properties. I noticed that rain beaded off the car even though I hadn''t... See more
After replacing my water pump and using J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red to help seal the gasket and pump to the engine block, my car began to exhibit strange properties. I noticed that rain beaded off the car even though I hadn''t waxed it. Then I hit a deep puddle but instead of slamming down and busting my rim, the car glided over the surface of the water as if it were on skis. I started getting suspicious, so I called Elon Musk and asked him to send my car to space on his next rocket. Now I''m writing this review while cruising through the Van Allen Belt in my air tight water proof radiation ignoring life sustaining J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red car. Thank you J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red.
19 people found this helpful
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Steve Day
5.0 out of 5 starsVerified Purchase
Perfect for leak-proof gaskets or electrical isolation on vehicles and general repairs.
Reviewed in the United States on April 15, 2019
Color: Ultimate Black
I bought this for replacing the knock sensors on my 2001 GMC Sierra which had a design flaw and needed this stuff to build a water dam around them after replacing the rusted one. I first cleaned up the area till it was spotless - preparation is key with any... See more
I bought this for replacing the knock sensors on my 2001 GMC Sierra which had a design flaw and needed this stuff to build a water dam around them after replacing the rusted one.

I first cleaned up the area till it was spotless - preparation is key with any adhesive or paint! It goes on easily and you can use a wet finger to contour it and smooth it out.

It cleans up easily when "wet" using shop towels and isopropyl/rubbing alcohol.

If you replace the cap and pull out the cured silicone plug from the nozzle you can use it repeatedly.

I ended up needing it for another fix one month later and it was still good. In fact, I''m going to order another to keep as a spare for repairing stuff, because it''s extremely handy for any small fixes that could use some water-tight electrically-insulating silicone sealant.
21 people found this helpful
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Needs More BLK
1.0 out of 5 starsVerified Purchase
Worked but cracked off on hottest areas of smoker firebox.
Reviewed in the United States on August 22, 2017
Color: Red
it worked well on SOME of the areas on my smoker that don''t get that hot, but some of the hot areas of my firebox on my smoker cracked and broke and flaked right off, even after a good cleaning/brushing of debris and a two day cure. I will buy some more an apply... See more
it worked well on SOME of the areas on my smoker that don''t get that hot, but some of the hot areas of my firebox on my smoker cracked and broke and flaked right off, even after a good cleaning/brushing of debris and a two day cure.

I will buy some more an apply it again to confirm it''s use. It did plug a lot of the needed areas though.

My infared themomoter only ready at 550 degrees and the packaging stated it can hold up to 650 degrees.
32 people found this helpful
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Chicago John
5.0 out of 5 starsVerified Purchase
Good value and quality
Reviewed in the United States on January 20, 2017
Color: Ultimate Black
Good bond for medium high-temp applications. I haven''t had the same trouble with cure inside the tube after opening that I''ve had with other brands. I''ll be using this going forward. ============================ Update - I''ve gone through a couple of more tubes... See more
Good bond for medium high-temp applications. I haven''t had the same trouble with cure inside the tube after opening that I''ve had with other brands. I''ll be using this going forward.
============================
Update - I''ve gone through a couple of more tubes now and this is definitely my favorite product of this type. It has a better bond that other black silicone RTV products I''ve used. Definitely a different odor but maybe that has something to do with its superior performance. I''ve used it for oil-resistant gaskets on my motorcycle, various electrical applications as an insulator with high temperature bond strength, to secure thermocouples that go up to 500F, and other miscellaneous applications where I need an elastomeric bond that will withstand water and high temperature.
32 people found this helpful
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Lt. Frank Bullitt
4.0 out of 5 starsVerified Purchase
RTV silicone is the universal adhesive
Reviewed in the United States on February 19, 2017
Color: Clear
RTV silicone is great for working on many tasks. I prefer it to traditional glues and epoxies and I''ve been using it for years. This time I was using it to secure accessories to lexan R/C bodies. I don''t see how J-B weld works better than any other brand I have used, but... See more
RTV silicone is great for working on many tasks. I prefer it to traditional glues and epoxies and I''ve been using it for years. This time I was using it to secure accessories to lexan R/C bodies. I don''t see how J-B weld works better than any other brand I have used, but it''s inexpensive. The nozzle will clog up pretty quickly, even if you cap it. If you exert too much pressure, you will also blow the back of the tube out and that''s no fun.
29 people found this helpful
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Top reviews from other countries

Dan
4.0 out of 5 starsVerified Purchase
Good sealant used for alloy thermostat housing
Reviewed in the United Kingdom on September 13, 2019
Product itself is good, the tube it’s supplied in not so good, the bottom of the tube split open and it all came out the bottom and made an absolute mess while trying to apply it and believe me it Doesn''t wash off easily. Other than that it is good, I have bought it twice...See more
Product itself is good, the tube it’s supplied in not so good, the bottom of the tube split open and it all came out the bottom and made an absolute mess while trying to apply it and believe me it Doesn''t wash off easily. Other than that it is good, I have bought it twice now and this is the first tube that’s split, hopefully just the one faulty one. Either way I’d buy again as it’s much better than other cheaper RTV sealants available.
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Paul Hewson
5.0 out of 5 starsVerified Purchase
Brill
Reviewed in the United Kingdom on September 5, 2019
Really good silicone. Used it to fix a thermistor into my heated bed and to doubly secure the heated mat.
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Mr Ronnie
5.0 out of 5 starsVerified Purchase
very good works well
Reviewed in the United Kingdom on June 18, 2019
very good works well
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Michael Yelland
4.0 out of 5 starsVerified Purchase
Okay
Reviewed in the United Kingdom on July 2, 2020
Works well just takes 24 hours to set really well
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Aidan
5.0 out of 5 starsVerified Purchase
great for making self healing ports
Reviewed in the United Kingdom on November 13, 2019
definitely worth the price
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J-B Weld 31314 online High Temperature RTV sale Silicone Gasket Maker and Sealant - Red - 3 oz. online

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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