3M Marine Adhesive Sealant 5200,, White, 295 mL, 1 Cartridge, Watertight Bonging/Sealing of Gelcoat
3M Marine Adhesive Sealant 5200,, White, 295 mL, 1 Cartridge, Watertight Bonging/Sealing of Gelcoat
Hero image 0 of 3M Marine Adhesive Sealant 5200,, White, 295 mL, 1 Cartridge, Watertight Bonging/Sealing of Gelcoat, 0 of 6
3M COMPANY

3M Marine Adhesive Sealant 5200,, White, 295 mL, 1 Cartridge, Watertight Bonging/Sealing of Gelcoat

57 ratings

Key item features

  • Watertight Marine Seal: This 3M Marine Adhesive Sealant 5200 in a 295 mL cartridge provides permanent, watertight bonding and sealing, specifically designed for gelcoat applications both above and below the waterline.
  • Flexible Polymer Strength: Formulated with a tough, flexible polyurethane polymer, it creates extremely strong bonds capable of enduring and absorbing stress from shock, vibration, swelling, or shrinking.
  • Efficient Curing Time: The sealant becomes tack-free and achieves handling strength within 48 hours, ensuring a secure application. It then fully cures in 5 to 7 days, forming a durable seal with no shrinkage.
  • Extended Application Ease: Designed for ease of use, it offers an extended working time of up to 4 hours, allowing for trowel or spatula application. It applies effortlessly with a manual caulking gun and resists sagging or flowing on vertical or horizontal seams.
  • Resilient Marine Standard: This high-performance adhesive sealant exhibits excellent resistance to harsh weathering and saltwater environments, ensuring long-term performance. It has been an industry standard for over 50 years.
Generated by AI

Specs

Industrial sealant type, polyurethaneRecommended use, WoodDry time, 48 hRecommended location, OutdoorBrand, 3M COMPANYAdhesive form, Gels

About this item

Product details

This high-performance polyurethane adhesive/sealant becomes tack free in 48 hours completely cures in 5 to 7 days with no shrinkage. The seal is extremely strong retains its strength above or below the water line. Stays flexible too - allows for structural movement. Stress caused by shock vibration swelling or shrinking is effectively absorbed. Has excellent resistance to weathering and salt water. Easy-to-apply with manual caulking gun. Remains workable with trowel or spatula up to 4 hours after application. Will not sag or flow in vertical or horizontal seams.
  • Permanent bonding – above and below the waterline
  • Industry standard for over 50 years
  • Offers extended working time
  • Achieves handling strength in 48 hours
  • Tough and flexible polyurethane polymer forms strong bonds
  • Capable of retaining strong bonds during vibration, swelling, shrinking or shock
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Industrial sealant type

polyurethane

Recommended use

Wood

Dry time

48 h

Recommended location

Outdoor

Warranty

Warranty information

3M warrants this product will be free from defects in materials and manufacture at the time of shipment. 3M makes no other warranties, expressed or implied, including but not limited to, any implied warranty of merchantability or fitness for a particular purpose. If the product is proved to be defective your exclusive remedy and 3M's and seller's sole obligation shall be at 3M's option to replace the product or refund the purchase price. 3M and seller will not be liable for any loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequental, regardless or the legal theory asserted, including warranty of contract, negligence, or strict liability.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Ingredients

Warnings

Customer ratings & reviews

4.4 out of 5 stars
stars
57 ratings44 reviews
How item rating is calculated
  1. 5 stars79% (45)
  2. 4 stars5% (3)
  3. 3 stars2% (1)
  4. 2 stars7% (4)
  5. 1 star7% (4)

Reviews summary

Neutral

  • : It forms waterproof bonds but expires after 24 hrs.

Cons

  • : Product's cost may be a barrier for some customers.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 44 reviews

May 27, 2026
Reviewer name: Joshua
Item details
Model number: 6500
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

5200

Super sealant, it's awesome.

Helpful?3AF2ZL4ANW057695998
Apr 16, 2026
Reviewer name: Donnie
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

this is one of the best sealers that I have used, far better than silicone.

Helpful?3AF2ZL4ANW057695998
Oct 26, 2025
Reviewer name: anonymous
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

they don't make my mower blade brakes anymore but I'll keep just applying this to the old pads every few years and I'll never have to replace the brakes:)

Helpful?3AF2ZL4ANW057695998
Current price is $27.88$27.88/ca
Price when purchased online
  • Free Holiday returns until Jan 31

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tomorrow
.
Order within 1 hr 11 min
Sold and shipped by Walmart.com
Extended holiday returns
Free Holiday returns until Jan 31
This item is gift eligible

More seller options (9)

Starting from $31.99
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.