
Ratings & Reviews for LOCTITE PL Marine Fast Cure 3-oz Exterior and Specialty White Paintable Advanced Sealant Caulk
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this marine sealant for exceptional waterproofing, particularly in underwater and high-moisture environments. Reviewers highlight its ability to form permanent watertight bonds on pools, boats, hot tubs, and water-exposed surfaces, with strong adhesion to challenging materials like oily teak, fiberglass, and metal. Many appreciate its flexibility and durability after curing. However, some report the sealant is extremely stiff and difficult to dispense from the tube, with quick skinning once applied. Despite application challenges, most consider it a reliable, long-lasting solution that outperforms alternatives for critical water-sealing repairs.
Customer review summary generated by AI, including incentivized reviews.Seals and cured fast
Would RecommendNeeded to waterproof areas where water might seep in. We've had a few inches of rain since application. Inside is dry.
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cures in 24 hours
Would Recommendseals well
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It worked
Would RecommendIt worked
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Works great
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We're happy our product worked well for your project.


Great Marine Sealant
Would RecommendLiquid Nails Marine Adhesive Sealant was easy to apply. It sealed my access panel to the deck perfectly and cured in 24 hours. Now my boat is bone dry.
From PL Marine Fast Cure 10.1-oz Exterior and Specialty White Paintable Advanced Sealant Caulk Verified Purchaser
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Does the job as advertised
Would RecommendEasy to apply especially in small spaces.
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It works.
Would RecommendEasy to work with. Used to secure an interior transducer in a boat bilge.
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Satisfied
Would RecommendEasy to apply. Good amount for smaller projects
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Adhesive that cures fast.
Would RecommendGreat Adhesive
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A product that can be trusted
Would RecommendVery easy to work with and very trustworthy for keeping the water out of the boat
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Used to seal around pool skimmer
Would RecommendEasy to apply. Used to seal around pool skimmer
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Good sealant
Would RecommendGreat for sealing boat transom fittings
From PL Marine Fast Cure 10.1-oz Exterior and Specialty White Paintable Advanced Sealant Caulk Verified Purchaser
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Excellent product
Would RecommendI used this to seal my pool's skimmer. It worked perfectly.
From PL Marine Fast Cure 10.1-oz Exterior and Specialty White Paintable Advanced Sealant Caulk Verified Purchaser
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Seal joints in contact with water
Would RecommendWorks great. Best product for sealing anything in contact with water. I’ve used it for sealing things on my boat and sealing fittings on rain barrels.
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Hot tub leak repair...fixed!
Would RecommendUsed it to seal ports on a leaking hot tub. 24 hour cure time was normal. Clean up was easy . No leaks.
From PL Marine Fast Cure 10.1-oz Exterior and Specialty White Paintable Advanced Sealant Caulk Verified Purchaser
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Not a glue!
I went to Lowe's to specifically buy a marine glue and a description of it made it sound like a glue. It is not, it is a paintable caulk sealer.
Verified Purchaser
Thank you for sharing your feedback. Loctite PL Marine Fast Cure Adhesive Sealant is a fast-setting, moisture-cure polyether adhesive sealant recomme...

Perfcet
Would RecommendWorks well and drys quicker than others.
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