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Fortivo’s Professional Automotive Seam Sealer is a quick-setting, paintable polyurethane formula designed for metal surfaces on cars, trucks, and RVs. It bonds strongly without surface prep, cures in 30 minutes, and withstands extreme weather without cracking or shrinking. This versatile, water-resistant sealer delivers professional-grade, flexible, and durable seams trusted by auto repair experts across the USA.






| ASIN | B0CXQ82W98 |
| Best Sellers Rank | #40,317 in Automotive ( See Top 100 in Automotive ) #38 in Automotive Sealers |
| Brand | FORTIVO |
| Color | White |
| Date First Available | June 12, 2024 |
| Item Form | Liquid |
| Item Weight | 1.26 pounds |
| Item dimensions L x W x H | 2 x 2 x 5 inches |
| Manufacturer | FORTIVO |
| Material | Polyurethane |
| Number of Items | 1 |
| Product Dimensions | 2 x 2 x 5 inches |
| Style | Compact |
| Surface Recommendation | Roof |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
S**N
Awesome value and bonds well
Worked great when I was replacing the fender I. My jeep, has hardened into a nice solid flexible seal over my parts. Highly recommend for the price
M**S
Great product for the money
Great budget friendly seam sealer. Lays down smooth and self leveled after brushing flat. Used to seal new hood. Painted after 30 minites and had no interaction problems with basecoat. Hopefully it hold up well over time.
J**S
Good stuff
This is great sealer for new floorboards I installed on my ram 1500
I**S
Worked well for sealing horse trailer fenders.
Worked great to seal horse trailer fender replacement. Welded new fenders on, and used this to seal from water and dirt getting in-between fender and trailer for the rest of the areas not welded. Going 4 stars-- because a bit pricey (IMO) and I was surprised how quickly it yellowed while exposed to UV from the sun. Could've (should've) painted it after installing, but it was a matching bright white when we first installed.
T**N
Works great
Used this for the gap between the cab and box of my chevy box truck. So far works greats and no cracks or leaks anymore
J**7
Easy to use.
Goes on bright white, but dries an off white color. Easy to clean up, very thick but easy to smooth out with finger tip. I was able to wipe excess off with just some paper towels. Make sure to remove and clean the nozzle afterwards otherwise product will harden inside. You will need a standard caulking gun.
J**R
Make sure you get a new nozzle for each cartridge!
This stuff is excellent! Although I’m used to it being black color, instead of white, to works equally well sealing auto door panel gaskets! Great product! I ordered two of these cartridges, I only received one cone nozzle, which I should have gotten two! So I had to clean out the nozzle for future use!🥺
A**O
Hugely misleading product description; clickbait warning
Description states no prep needed. Instructions state otherwise. Here's the description: "Easy Application & No Prep Needed: Seamlessly compatible with any standard urethane caulk gun, this auto glass sealant offers excellent adhesion without the need for surface prep. Our car seam sealer ensures quick and professional-grade gap filling." On the back of the product there's a litany of preparation instructions needed to use this product and get it to adhere. If you are planning on something to simply fill some gaps and seal water out this is not the product. The seller is posting clickbait to get you to purchase it
Trustpilot
4 days ago
5 days ago