Would this work for a DIY hot tub cover? It would have to be UV and light chlorine resistant.

I used this item for undercoating of my car.

Would this stuff work for a leak in a plastic pond liner? It has several cracks.

not even a little, it might work with conjunction with a patch but just applied to a crack or hole otherwise, the answer either way is no.

Any suggestion for faster drying?

Try using a box fan or similar.

81833 Heavy Duty Rubberized Undercoating 16 Oz Net Aerosol Can

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🛠️ Protect like a pro, seal like a boss!

VERSATILE PRO GRADE FORMULA - Ideal for automotive frames, gutters, roofs, and more
WEATHERPROOF UV RESISTANT - Won't crack or degrade under sun exposure—built to endure
EASY HOME SHOP APPLICATION - All-purpose aerosol can for professional results without the hassle
UNMATCHED RUBBERIZED DURABILITY - Seals and protects with a flexible, thick coating that lasts
SUPERIOR INSULATION SOUND DEADENING - Keeps noise down and elements out for a quieter, protected space

Permatex 81833 Heavy Duty Rubberized Undercoating is a professional-strength aerosol coating designed to seal, protect, and insulate automotive and home surfaces. Its rubberized formula delivers superior durability, weather resistance, and sound deadening, making it perfect for frames, rocker panels, gutters, and more. Trusted by pros and DIYers alike for long-lasting protection.

Reviews

W**Y

not easy to use

The spray head of this can is downward, and the sprayed liquid will spray on the body of the can, and the spray is uneven, which is not easy to use. Ionly open one can, and the unuesed ones cannot be returned

11.06.2022

G**S

Best stuff for gutter leaks.

It works great. Sun will not cause it to crack. Will last forever after you spray your gutters. Sure there may be a million other uses but gutters is good one.

1.03.2019

B**R

Really good product of its kind

I'm quite impressed with this, enough so to follow this can with a case of 12. Goes on marginally prepared surfaces quite well and has a nice sheen to it. Goes right where you aim it and no overspray to speak of. Dries well and relatively quick. I sprayed the trunk of my 1947 Ford as well as under the fenders after basically just vacuuming the surfaces and wiping obvious messes up. I will try to update this after some months have passed of usage.

2.10.2024

K**R

Ups delivered on time for Amazon.😲

Very good products

10.09.2025

J**R

Quality

Works well, used on asphalt roof to patch roof leak

8.07.2024

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago