20 Best Automotive Seam Sealer [2022]

Are you looking for the best automotive seam sealer? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling automotive seam sealer.

We Recommended:

# Preview Product
1 ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 11 oz ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 11 oz
2 3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning,... 3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning,...
3 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz... 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
4 Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube
5 Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce
6 Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Black Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Black
7 Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound - 10.5 fl. Ounce Cartridge Tube Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound - 10.5 fl. Ounce Cartridge Tube
8 3M Dynatron Auto Seam Sealer Caulk, 570, White, 12 oz 3M Dynatron Auto Seam Sealer Caulk, 570, White, 12 oz
9 Eastwood Flexible Insulated Waterproof Brush on Seam Sealer Floor Trunk Fender 30.4 oz Eastwood Flexible Insulated Waterproof Brush on Seam Sealer Floor Trunk Fender 30.4 oz
10 Speedokote SMR-26B - Black Fast Setting Auto Body Seam Sealer for Autobody, 11 oz. Cartridge Speedokote SMR-26B - Black Fast Setting Auto Body Seam Sealer for Autobody, 11 oz. Cartridge
11 3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz... 3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz...
12 Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - White Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - White
13 Evercoat 365 Brushable Seam Sealer - 1 Quart Evercoat 365 Brushable Seam Sealer - 1 Quart
14 3M Urethane Seam Sealer, 08362, Gray Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz... 3M Urethane Seam Sealer, 08362, Gray Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
15 3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge 3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge
16 Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Gray Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Gray
17 3M Brushable Seam Sealer, 08656, Multi-Purpose, Fast-Drying, Flexible Workable Seams, 1 qt, 946 mL 3M Brushable Seam Sealer, 08656, Multi-Purpose, Fast-Drying, Flexible Workable Seams, 1 qt, 946 mL
18 3M Dynatron Brushable Gray Seam Sealer, 552, 1 qt 3M Dynatron Brushable Gray Seam Sealer, 552, 1 qt
19 Eastwood Flexible Insulated Waterproof Black Seam Sealer Cartridge Floor Trunk Fender 10.1 oz Eastwood Flexible Insulated Waterproof Black Seam Sealer Cartridge Floor Trunk Fender 10.1 oz
20 Speedokote SMR-06 - Fast Dry White Brushable Seam Sealer, Nice Brush Grade, 32 oz. Quart Speedokote SMR-06 - Fast Dry White Brushable Seam Sealer, Nice Brush Grade, 32 oz. Quart
Bestseller No. 1
ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 11 oz
  • For professional use only – not for retail sale
  • Fast curing and skins over quickly—can be painted 60 minutes after application
  • Can be used for all sealing and adhesive applications with a standard caulking gun in both vertical and horizontal joints
  • Flexible, non-staining, and non-sagging product that will not crack or shrink
SaleBestseller No. 2
3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning,...
  • EASY APPLICATIONS: Brushable and paintable consistency
  • HIGH ADHESION: Works on both bare metal and painted surfaces
  • FAST SKINNING: Starts in about 10 to 15 minutes
  • STAYS IN PLACE: Less likely to drip, sag or run out of gaps being sealed
  • NON-STAINING: For all-purpose autobody joint and seam sealing
SaleBestseller No. 3
3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
  • SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
  • MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
  • NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
  • QUICK PAINTABILITY: Allows painting after 30-45 minutes
  • THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed
Bestseller No. 4
Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube
  • Seam Sealer Compound is fast curing and designed exclusively for automotive uses
  • This product is a one part, high performance sealant that combines high flexibility with high ultimate strength, permanent bonds and long service...
  • These products are high quality elastomeric sealants formulated to provide excellent adhesion to a wide variety of substrates and come in an easy to...
  • Smooth creamy non-sag texture – easy to tool
  • High rubber content, highly elastic, good low temperature flexibility
Bestseller No. 5
Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce
  • Brushable Seam Sealer is fast drying and designed exclusively for automotive uses.
  • This product remains flexible and will not crack, harden, sink or sag
  • This product remains flexible and will not crack, harden, sink or sag
  • It provides excellent adhesion, seals cracks, crevices, body seams and is ideal for use on all lap and flange seams and joints
  • Brushable Seam Sealer is paintable in 30 to 60 minutes and comes in a light gray color
SaleBestseller No. 6
Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Black
  • Designed to adhere to bare metal, primed metal, metal containers and more.
  • Non-sagging single component formula to fill large voids
  • Does not shrink or crack stays permanently flexible.
  • Seals against water, air, gas and dust.
  • Paintable. No-stick formula does not pick up dirt.
Bestseller No. 7
Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound - 10.5 fl. Ounce Cartridge Tube
  • Polyurethane Seam Sealer/Adhesive Compound is a one component, moisture-cure sealant designed exclusively for automotive uses.
  • This product cures under the effect of atmospheric humidity to form a permanently flexible and resistant joint.
  • This product is a high quality elastomeric sealant formulated to combine high flexibility with high ultimate strength, permanent bonds and long...
  • This product provides excellent adhesion to a wide variety of substrates and comes in an easy to use, non-sag consistency suitable for easy...
  • Easy application, ready to use, no mixing required
Bestseller No. 8
3M Dynatron Auto Seam Sealer Caulk, 570, White, 12 oz
  • Brushable and paintable consistency makes applications easy
  • High adhesion works on both bare metal and painted surfaces
  • Fast skinning starts in about 10 to 15 minutes
  • Non-sagging formula keeps seam sealer in place
  • Non-staining
Bestseller No. 9
Eastwood Flexible Insulated Waterproof Brush on Seam Sealer Floor Trunk Fender 30.4 oz
  • Seals Cracks, Crevices And Body Seams, Plus Waterproofs And Insulates
  • Flexible - Will Not Shrink, Harden Or Crack
  • Seals Cracks, Crevices And Body Seams
  • For Firewalls, Floor Pans, Trunk Seams, Fender Extensions, Taillight Openings
  • Paintable In 30 Minutes
SaleBestseller No. 11
3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz...
  • HIGH-PERFORMANCE: Two-part epoxy seals vertical and horizontal seams to match OEM seals
  • METERED MIXING: Dual syringe cartridge eliminates the difficulty and mess of manual mixing
  • NON-FLOWING: Heavy-bodied formula allows easy tooling for matching OEM seam sealer appearances
  • QUICK CURE: Non-sag property aids during vertical applications
  • SELF-MIXES: Makes a perfect formulation every time without mess
Bestseller No. 12
Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - White
  • Designed to adhere to bare metal, primed metal, metal containers and more.
  • Non-sagging single component formula to fill large voids
  • Does not shrink or crack stays permanently flexible.
  • Seals against water, air, gas and dust.
  • Paintable. No-stick formula does not pick up dirt.
Bestseller No. 13
Evercoat 365 Brushable Seam Sealer - 1 Quart
  • Brushable Seam Sealer: Ideal for sealing spot-welded, riveted, or bolted seams and joints
  • Highly Adhesive: This seam sealer shows excellent adhesion to bare metal and painted surfaces
  • Efficient Sealant: This flexible and durable sealer dries fast to a paintable surface in 1 hour
  • Versatile Surfaces Application: Our products are applicable on steel, aluminum, fiberglass, and more
  • Automotive Body Repair: We provide high-quality putty, primer, and body filler formulations
SaleBestseller No. 14
3M Urethane Seam Sealer, 08362, Gray Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
  • SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
  • MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
  • NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
  • QUICK DRYING: Paintable after 30-45 minutes
  • THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed
Bestseller No. 15
3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge
  • SELF-LEVELING EPOXY: Designed for areas requiring a flowable type sealer
  • QUICK CURING: Ready for painting in 15 minutes
  • TRANSPARENT COLOR: Makes for a low-profile appearance
  • MATCHES OEM: Cured sealer seams match for a professional look
  • SPECIALLY FORMULATED: Made for the automotive aftermarket industry
Bestseller No. 16
Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Gray
  • Designed to adhere to bare metal, primed metal, metal containers and more.
  • Non-sagging single component formula to fill large voids
  • Does not shrink or crack stays permanently flexible.
  • Seals against water, air, gas and dust.
  • Paintable. No-stick formula does not pick up dirt.
SaleBestseller No. 17
3M Brushable Seam Sealer, 08656, Multi-Purpose, Fast-Drying, Flexible Workable Seams, 1 qt, 946 mL
  • SEALS JOINTS: Formulated for sealing overlap joints in collision repair
  • HOLDS BRUSH MARKS: Allows you to easily replicate OEM brushed-look seals
  • DRIES QUICKLY: Will not flow or run, helping ensure a top quality job and reduced cleanup
  • REMAINS FLEXIBLE: Stays flexible after curing and is fully paintable
  • SPECIALLY FORMULATED: Recreates an authentic, like-new appearance
SaleBestseller No. 18
3M Dynatron Brushable Gray Seam Sealer, 552, 1 qt
  • Brushable formula makes applying sealer easy
  • Permanently elastic
  • Non sagging properties
  • Excellent adhesion works on bare metal or painted surfaces
  • Non-staining and paintable for quality final results
Bestseller No. 19
Eastwood Flexible Insulated Waterproof Black Seam Sealer Cartridge Floor Trunk Fender 10.1 oz
  • Seals Cracks, Crevices And Body Seams, Plus Waterproofs And Insulates
  • Stays Flexible And It Won'T Crack
  • Waterproofs And Insulates
  • For Firewalls, Floor Pans, Trunk Seams, Fender Extensions, Taillight Openings
  • Applies Easily With Your Standard Caulking Gun
Bestseller No. 20
Speedokote SMR-06 - Fast Dry White Brushable Seam Sealer, Nice Brush Grade, 32 oz. Quart
  • Fast Dry White Brushable Seam Sealer, nice brush grade, 32 oz. Quart
  • Add $75 of Products to cart for FREE SHIPPING

Having trouble finding a great automotive seam sealer?

This problem is well understood by us because we have gone through the entire automotive seam sealer research process ourselves, which is why we have put together a comprehensive list of the best automotive seam sealers available in the market today.

After hours of searching and using all the models on the market, we have found the best automotive seam sealer for 2022. See our ranking below!

How Do You Buy The Best Automotive Seam Sealer?

Do you get stressed out thinking about shopping for a great automotive seam sealer? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching automotive seam sealer, which is why we have assembled a comprehensive list of the greatest automotive seam sealer available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for automotive seam sealer that you consider buying. Your questions might include the following:

  • Is it worth buying an automotive seam sealer?
  • What benefits are there with buying an automotive seam sealer?
  • What factors deserve consideration when shopping for an effective automotive seam sealer?
  • Why is it crucial to invest in any automotive seam sealer, much less the best one?
  • Which automotive seam sealer are good in the current market?
  • Where can you find information like this about automotive seam sealer?

We’re convinced that you likely have far more questions than just these regarding automotive seam sealer, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for automotive seam sealer, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible automotive seam sealer. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an automotive seam sealer buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available automotive seam sealer currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of automotive seam sealer has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an automotive seam sealer?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your automotive seam sealer.
  5. Customer Ratings: Number ratings grade automotive seam sealer objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their automotive seam sealer.
  7. Product Quality: You don’t always get what you pay for with an automotive seam sealer, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an automotive seam sealer is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining automotive seam sealer information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding automotive seam sealer is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best automotive adhesive remover?

A: The Goof Off Pro Strength Super Glue Remover is the best adhesive remover because it is very strong. Its the only adhesive remover thats capable of cleaning up super glue, epoxy and Gorilla glue , which is pretty impressive.

Q: How to apply auto seam sealer?

A: Press down lightly on the brush so the sealer is forced down into the seam. But not too hard, you want the edges of the sealer to be a little thick so it looks like a “bead” when you unmask. You could apply a smaller bead, press that in with your finger, then apply another bead and brush it lightly to build up a good bead.

Q: What is a seam sealant?

A: Seam sealant is a chemical coating material used to seal joints in fabric or metal. This product can be used to repair rips or holes, or to reinforce existing seams.

Q: What is a vinyl sealer?

A: Vinyl sealant is a specialized adhesive that bonds to vinyl plastics to create watertight and airtight seals. Repairs to rips in vinyl-covered automotive and marine upholstery, luggage, above-ground pools and rain gear are often made using vinyl sealant repair kits.