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3M Marine Adhesive Sealant Fast Cure 5200 (06535) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 1 fl oz Tube

Description:

  • MULTI-SURFACE SEALANT: A permanent solution for bonding marine substrates like wood, fiberglass, and metal
  • VERSATILE MARINE APPLICATIONS: Tough yet flexible polyurethane polymer is ideal for deck housings, hull fittings, porthole mounting, fiberglass transoms, and underside molding
  • WARD OFF WATER: Resists saltwater and weathering both above and below the water line
  • FLEXIBLE BONDS: The flexible elastomeric bond absorbs the stress of vibration, swelling, shrinking, and shock
  • FAST CURE: Tack-free in 1-2 hours, fully cures within 48 hours
  • For industrial/occupational use only. Not for consumer use
  • 3M Marine Adhesive Sealant Fast Cure 5200 is a fast-curing version of long-trusted 3M Marine Adhesive Sealant 5200. It is a tough, flexible polyurethane for permanent bonding and sealing, ideal for use on wood, gelcoat, fiberglass, metal and more. It is recommended for interiors, below the waterline and any other places that are shielded from sunlight. Instead of 5-7 days, it typically cures in just 48 hours. Everything else is the same as the industry standard 5200 adhesive sealant that has been used and trusted for more than 50 years by marine professionals in some of the most demanding conditions on earth. It applies right from the container – no mixing is required - and cures to form a firm, flexible, waterproof seal on joints and boat hardware. Far more than a marine caulk, tough, flexible 3M Marine Adhesive Sealant 5200FC dissipates stress caused by vibration and shock and won’t crack under dynamic force. It resists saltwater, wind, weather and temperature extremes for long periods of worry-free enjoyment on the water.

    From the Manufacturer

    3M Marine Adhesive Sealant 5200 White. The adhesive sealant is extremely strong, retains its strength above or below water line. Stays flexible too - allows for structural movement. Has excellent resistance to weathering and salt water.

    Stress caused by shock, vibration, swelling or shrinking is effectively absorbed. Check the bonding and sealing jobs this product can handle for you: fiberglass deck to fiberglass hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under mouldings, hull seams above and below water line. Center board trunk joints. Between struts and planking. Stern joints. Deck housing, etc. Easy to apply with manual caulking gun. Remains workable with trowel or spatula up to four hours after application. Won't sag or flow in vertical or horizontal seams.

    About 3M Industrial Adhesives and Tapes

    For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. 3M Industrial Adhesives and Tapes include application-specific products that provide durability, strength, and special characteristics such as temperature resistance and short- and long-term protection. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

    Review:

    5.0 out of 5 stars You will “stick” with this one

    G.O. · October 31, 2025

    Excellent! I bought for one project and ended up using for many because it worked so well! Highly recommend this product

    5.0 out of 5 stars Best by marine sealant there is.

    D.T. · October 12, 2025

    This stuff is amazing. Used to coat rivets and seal transom bolts etc. it’s never coming off (even off of your hands so wear gloves).

    5.0 out of 5 stars Trustworthy Sealant for Marine Adventures: 3M Marine Adhesive Sealant Fast Cure 5200 (05220)

    N.B. · April 16, 2024

    When it comes to maintaining the integrity of my boat, I don't settle for anything less than the best. That's why I turned to the 3M Marine Adhesive Sealant Fast Cure 5200 (05220), and I'm delighted to share my experience with this exceptional product.First and foremost, this sealant lives up to its promise of creating a permanent bond. Whether it's sealing deck fittings, bonding hull seams, or securing hardware, the 3M 5200 forms a strong and durable connection that withstands the rigors of marine environments. I have complete confidence in its ability to keep my vessel watertight and secure, even in the most challenging conditions.The fast-curing formula is a game-changer, significantly reducing downtime and allowing me to get back on the water sooner. With its quick tack and rapid cure time, I can complete repairs and installations efficiently, without sacrificing quality or reliability. It's a time-saving solution that's essential for any boat owner.Durability is where this sealant truly shines. Designed to resist saltwater, weathering, and UV exposure, it maintains its integrity even after prolonged exposure to harsh marine conditions. I've seen firsthand how well it holds up against salt spray, pounding waves, and fluctuating temperatures, providing long-lasting protection and peace of mind.Application is straightforward, thanks to the easy-to-use syringe packaging and smooth consistency of the sealant. Whether I'm applying it to vertical surfaces or overhead, it spreads evenly and adheres well, ensuring a secure seal without drips or mess. Cleanup is a breeze, too, with soap and water easily removing any excess sealant before it cures.Versatility is another notable feature of the 3M 5200. In addition to its bonding and sealing capabilities, it can also be used for bedding and potting applications, making it a versatile solution for a wide range of marine projects.In conclusion, the 3M Marine Adhesive Sealant Fast Cure 5200 (05220) is a reliable and effective choice for boat owners seeking a permanent bonding and sealing solution. With its fast cure time, exceptional durability, ease of application, and versatility, it's an essential addition to any marine maintenance kit. I highly recommend this sealant to fellow boating enthusiasts who demand nothing but the best for their vessels.

    5.0 out of 5 stars Great product for boat drain plug

    D.B. · July 14, 2025

    Used to install boat drain plug in my fiberglass boat.  I've tried other products but none seemed to last more than a couple years.  This product is made for hull penetrations.  About 20 minutes work ability before a skin forms.  Forms a rigid but not hard/brittle seal.

    4.0 out of 5 stars Very effective sealant for boats, a must-have for marine applications

    C. · April 11, 2023

    I've used this 3M Fast Cure 5200 for all sorts of purposes over the years, primarily on my boat. Whenever I drill a hole or put a screw into the boat's hull or transom, this stuff is going on the screw threads or in the hole to seal it from water permanently. I've patched holes up to 1/2 inch in diameter using just 3M 5200 and I've never had a drop of water get in through that hole afterward. It's pretty amazing stuff. I've also used this stuff to adhere loose trim to fiberglass inside my boat, it works well and bonds stronger than most glues on the market.The only downside to 3M Fast Cure 5200 is that it's messy and not very reusable. Even the small tubes are expensive. When you cap after using, make sure you find a way to use the rest of this sealant in the not-too-distant future as the cap will become difficult to remove, and the sealant will harden up near the cap. 3M 5200 sticks to just about every type of material on the planet and is impenetrable to water. For boats, 3M 5200 is a must-have, use it to quickly patch up holes and cracks, it'll keep your boat afloat without any leaks whatsoever.

    5.0 out of 5 stars Small quantity but good marine sealant.

    R. · October 28, 2025

    I didn’t realize it was a really small tube. My fault should have read description closer.

    5.0 out of 5 stars Marine grade greatness

    G. · August 20, 2025

    Always works great. Just make sure you’re not sloppy with it. Cure time is long but it stays pliable. Wish it was a little cheaper.

    5.0 out of 5 stars Best adhesive to use in wet areas.

    A. · March 17, 2025

    There is nothing else that comes close. My records show I have purchased it 3 times from Bolo. Slow curing so you have plenty of time to position the part and then use something to hold it in place for 24 hours. Generally considered permanant - you will have to cut the glue seam to remove the part so don't use it on something that might need to be removed years down the road. Strong - you bet. I glued some flat pieces of metal to tubing on my boat. I can stand on these parts with all my weight. Pay attention to the directions - no alcohol cleaning prior to gluing. Can be frozen for longer life span. And NEVER wear good clothes while using this. Nothing will take it out of your clothes if you make a mistake. Use painters tape around the glue area to keep the 5200 off the surrounding area. Keep lots of paper towels near by - it is messy and seems to go everywhere by itself. Uses moisture to cure so can get wet before cured. And finally - guessing here - may be hazzardous to use in a fish tank. Lots of odd chemicals in this stuff.

    Excellent.

    A.D.P. · February 9, 2023

    Good product. Delivered in-time.

    Great product

    R.Z. · May 30, 2025

    Works great. Fast drying time as well

    Needed this superior quality of silicone for a special project and not disappointed

    L.S. · October 16, 2025

    Definitely a very high quality silicone, very strong and weatherproof. Better quality than most off the shelf silicone if you need superior holding power that is weatherproof

    Kitesurf Bladder repair

    b. · June 14, 2024

    Brilliant for repairing kitesurf bladder

    Too quick to dry up inside

    C. · August 11, 2023

    Too easy to dry up inside. Hard to sustain for longer and repeated use for small repairs and adhesion once opened.

    3M Marine Adhesive Sealant Fast Cure 5200 (06535) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 1 fl oz Tube

    Product ID: UO003R1HYER
    Condition: New

    4.6

    BHD809

    Price includes VAT & Import Duties
    Size: 1 fl oz Tube
    Style: 5200FC
    Pattern Name: Adhesive Sealant
    Availability: In Stock

    Quantity:

    |

    Order today to get by

    Free delivery on orders over BHD 20

    Return and refund policies

    Imported From: United States

    At bolo.bh, we stand behind the authenticity and quality of every product we sell. We guarantee that all items offered on our website are 100% genuine, sourced directly from authorized distributors, trusted partners, or the original brands themselves.

    We do not sell counterfeit, replica, or unauthorized goods. Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support . We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, including images, descriptions, and reviews, is provided by third-party vendors. bolo.bh is not responsible for any claims, promotions, or representations made within product content or images. For more accurate or detailed product information, please contact the manufacturer directly or reach out to Bolo Support.

    Unless otherwise stated during checkout, all prices displayed on the product page include applicable taxes and import duties.

    bolo.bh operates in accordance with the laws and regulations of Bahrain. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in Bahrain are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    More from this brand

    Similar items from “Polyurethane Adhesives”

    3M Marine Adhesive Sealant Fast Cure 5200 (06535) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 1 fl oz Tube

    Product ID: UO003R1HYER
    Condition: New

    4.6

    Size: 1 fl oz Tube
    Style: 5200FC
    Pattern Name: Adhesive Sealant

    BHD809

    Price includes VAT & Import Duties
    Availability: In Stock

    Quantity:

    |

    Order today to get by

    Free delivery on orders over BHD 20

    Return and refund policies

    Imported From: United States

    At bolo.bh, we stand behind the authenticity and quality of every product we sell. We guarantee that all items offered on our website are 100% genuine, sourced directly from authorized distributors, trusted partners, or the original brands themselves.

    We do not sell counterfeit, replica, or unauthorized goods. Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support . We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, including images, descriptions, and reviews, is provided by third-party vendors. bolo.bh is not responsible for any claims, promotions, or representations made within product content or images. For more accurate or detailed product information, please contact the manufacturer directly or reach out to Bolo Support.

    Unless otherwise stated during checkout, all prices displayed on the product page include applicable taxes and import duties.

    bolo.bh operates in accordance with the laws and regulations of Bahrain. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in Bahrain are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Description:

  • MULTI-SURFACE SEALANT: A permanent solution for bonding marine substrates like wood, fiberglass, and metal
  • VERSATILE MARINE APPLICATIONS: Tough yet flexible polyurethane polymer is ideal for deck housings, hull fittings, porthole mounting, fiberglass transoms, and underside molding
  • WARD OFF WATER: Resists saltwater and weathering both above and below the water line
  • FLEXIBLE BONDS: The flexible elastomeric bond absorbs the stress of vibration, swelling, shrinking, and shock
  • FAST CURE: Tack-free in 1-2 hours, fully cures within 48 hours
  • For industrial/occupational use only. Not for consumer use
  • 3M Marine Adhesive Sealant Fast Cure 5200 is a fast-curing version of long-trusted 3M Marine Adhesive Sealant 5200. It is a tough, flexible polyurethane for permanent bonding and sealing, ideal for use on wood, gelcoat, fiberglass, metal and more. It is recommended for interiors, below the waterline and any other places that are shielded from sunlight. Instead of 5-7 days, it typically cures in just 48 hours. Everything else is the same as the industry standard 5200 adhesive sealant that has been used and trusted for more than 50 years by marine professionals in some of the most demanding conditions on earth. It applies right from the container – no mixing is required - and cures to form a firm, flexible, waterproof seal on joints and boat hardware. Far more than a marine caulk, tough, flexible 3M Marine Adhesive Sealant 5200FC dissipates stress caused by vibration and shock and won’t crack under dynamic force. It resists saltwater, wind, weather and temperature extremes for long periods of worry-free enjoyment on the water.

    From the Manufacturer

    3M Marine Adhesive Sealant 5200 White. The adhesive sealant is extremely strong, retains its strength above or below water line. Stays flexible too - allows for structural movement. Has excellent resistance to weathering and salt water.

    Stress caused by shock, vibration, swelling or shrinking is effectively absorbed. Check the bonding and sealing jobs this product can handle for you: fiberglass deck to fiberglass hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under mouldings, hull seams above and below water line. Center board trunk joints. Between struts and planking. Stern joints. Deck housing, etc. Easy to apply with manual caulking gun. Remains workable with trowel or spatula up to four hours after application. Won't sag or flow in vertical or horizontal seams.

    About 3M Industrial Adhesives and Tapes

    For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. 3M Industrial Adhesives and Tapes include application-specific products that provide durability, strength, and special characteristics such as temperature resistance and short- and long-term protection. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

    Review:

    5.0 out of 5 stars You will “stick” with this one

    G.O. · October 31, 2025

    Excellent! I bought for one project and ended up using for many because it worked so well! Highly recommend this product

    5.0 out of 5 stars Best by marine sealant there is.

    D.T. · October 12, 2025

    This stuff is amazing. Used to coat rivets and seal transom bolts etc. it’s never coming off (even off of your hands so wear gloves).

    5.0 out of 5 stars Trustworthy Sealant for Marine Adventures: 3M Marine Adhesive Sealant Fast Cure 5200 (05220)

    N.B. · April 16, 2024

    When it comes to maintaining the integrity of my boat, I don't settle for anything less than the best. That's why I turned to the 3M Marine Adhesive Sealant Fast Cure 5200 (05220), and I'm delighted to share my experience with this exceptional product.First and foremost, this sealant lives up to its promise of creating a permanent bond. Whether it's sealing deck fittings, bonding hull seams, or securing hardware, the 3M 5200 forms a strong and durable connection that withstands the rigors of marine environments. I have complete confidence in its ability to keep my vessel watertight and secure, even in the most challenging conditions.The fast-curing formula is a game-changer, significantly reducing downtime and allowing me to get back on the water sooner. With its quick tack and rapid cure time, I can complete repairs and installations efficiently, without sacrificing quality or reliability. It's a time-saving solution that's essential for any boat owner.Durability is where this sealant truly shines. Designed to resist saltwater, weathering, and UV exposure, it maintains its integrity even after prolonged exposure to harsh marine conditions. I've seen firsthand how well it holds up against salt spray, pounding waves, and fluctuating temperatures, providing long-lasting protection and peace of mind.Application is straightforward, thanks to the easy-to-use syringe packaging and smooth consistency of the sealant. Whether I'm applying it to vertical surfaces or overhead, it spreads evenly and adheres well, ensuring a secure seal without drips or mess. Cleanup is a breeze, too, with soap and water easily removing any excess sealant before it cures.Versatility is another notable feature of the 3M 5200. In addition to its bonding and sealing capabilities, it can also be used for bedding and potting applications, making it a versatile solution for a wide range of marine projects.In conclusion, the 3M Marine Adhesive Sealant Fast Cure 5200 (05220) is a reliable and effective choice for boat owners seeking a permanent bonding and sealing solution. With its fast cure time, exceptional durability, ease of application, and versatility, it's an essential addition to any marine maintenance kit. I highly recommend this sealant to fellow boating enthusiasts who demand nothing but the best for their vessels.

    5.0 out of 5 stars Great product for boat drain plug

    D.B. · July 14, 2025

    Used to install boat drain plug in my fiberglass boat.  I've tried other products but none seemed to last more than a couple years.  This product is made for hull penetrations.  About 20 minutes work ability before a skin forms.  Forms a rigid but not hard/brittle seal.

    4.0 out of 5 stars Very effective sealant for boats, a must-have for marine applications

    C. · April 11, 2023

    I've used this 3M Fast Cure 5200 for all sorts of purposes over the years, primarily on my boat. Whenever I drill a hole or put a screw into the boat's hull or transom, this stuff is going on the screw threads or in the hole to seal it from water permanently. I've patched holes up to 1/2 inch in diameter using just 3M 5200 and I've never had a drop of water get in through that hole afterward. It's pretty amazing stuff. I've also used this stuff to adhere loose trim to fiberglass inside my boat, it works well and bonds stronger than most glues on the market.The only downside to 3M Fast Cure 5200 is that it's messy and not very reusable. Even the small tubes are expensive. When you cap after using, make sure you find a way to use the rest of this sealant in the not-too-distant future as the cap will become difficult to remove, and the sealant will harden up near the cap. 3M 5200 sticks to just about every type of material on the planet and is impenetrable to water. For boats, 3M 5200 is a must-have, use it to quickly patch up holes and cracks, it'll keep your boat afloat without any leaks whatsoever.

    5.0 out of 5 stars Small quantity but good marine sealant.

    R. · October 28, 2025

    I didn’t realize it was a really small tube. My fault should have read description closer.

    5.0 out of 5 stars Marine grade greatness

    G. · August 20, 2025

    Always works great. Just make sure you’re not sloppy with it. Cure time is long but it stays pliable. Wish it was a little cheaper.

    5.0 out of 5 stars Best adhesive to use in wet areas.

    A. · March 17, 2025

    There is nothing else that comes close. My records show I have purchased it 3 times from Bolo. Slow curing so you have plenty of time to position the part and then use something to hold it in place for 24 hours. Generally considered permanant - you will have to cut the glue seam to remove the part so don't use it on something that might need to be removed years down the road. Strong - you bet. I glued some flat pieces of metal to tubing on my boat. I can stand on these parts with all my weight. Pay attention to the directions - no alcohol cleaning prior to gluing. Can be frozen for longer life span. And NEVER wear good clothes while using this. Nothing will take it out of your clothes if you make a mistake. Use painters tape around the glue area to keep the 5200 off the surrounding area. Keep lots of paper towels near by - it is messy and seems to go everywhere by itself. Uses moisture to cure so can get wet before cured. And finally - guessing here - may be hazzardous to use in a fish tank. Lots of odd chemicals in this stuff.

    Excellent.

    A.D.P. · February 9, 2023

    Good product. Delivered in-time.

    Great product

    R.Z. · May 30, 2025

    Works great. Fast drying time as well

    Needed this superior quality of silicone for a special project and not disappointed

    L.S. · October 16, 2025

    Definitely a very high quality silicone, very strong and weatherproof. Better quality than most off the shelf silicone if you need superior holding power that is weatherproof

    Kitesurf Bladder repair

    b. · June 14, 2024

    Brilliant for repairing kitesurf bladder

    Too quick to dry up inside

    C. · August 11, 2023

    Too easy to dry up inside. Hard to sustain for longer and repeated use for small repairs and adhesion once opened.

    More from this brand

    Similar items from “Polyurethane Adhesives”