Will this adhere to a slick surface such as aluminum flashing?

Paint especially rattle cans don't tend to adhere to anything slippery, you must at least use something abrasive against it to some degree even if it's only a scour pad just to rough up the surface a little bit.

Would this work in the spare tire compartment located inside a cars' trunk?

Yes. Works pretty much anywhere

Is the undercoating product acid resistant?

I have no idea I bought it cove a mount for a fish finder. I didn’t like it it didn’t dry maybe I put to thick a coat

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Rust-Oleum 248657 Rubberized Undercoating Spray, 15 oz, Black

Rust-Oleum 248657 Rubberized Undercoating Spray, 15 oz, Black

Product ID: 326861588

Details

Brand
Rust-Oleum
Colour
Black
Finish type
Textured
Item volume
443.6
Size
15 Ounce (Pack

🎯Covers 10-12 sq.ft per can

⏱️Dries to touch in 30 min

🛡️Corrosion & rust defense

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HK$202

Duties & taxes included

In stock

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Description

🛠️ Protect your ride like a pro—because your car deserves the best shield!

CUSTOM FINISH READY - Matte black, paintable surface lets you personalize your ride’s undercarriage with style.
FAST DRY EFFICIENCY - Touch dry in just 30 minutes—get back on the road faster without the wait.
PRECISION SPRAY TECH - Comfortable wide spray tip with any-angle spray for flawless coverage, even upside down.
ULTIMATE RUST SHIELD - Rubberized formula stops corrosion and rust, extending your vehicle’s lifespan.
SOUND DEADENING ARMOR - Soft rubberized coating reduces road noise and protects vital underbody parts.

Rust-Oleum 248657 Rubberized Undercoating Spray is a 15 oz black spray designed for metal underbodies of vehicles. It provides a durable, rubberized barrier that prevents rust and corrosion from water, salt, and chemicals. The formula dries to the touch in 30 minutes, covers up to 12 sq. ft. per can, and features an ergonomic spray tip with any-angle technology for easy application. It also reduces noise and is paintable for a customized finish.

Specifications

Asin	B003CT49AI
Best Sellers Rank	#2 in Automotive Spray Paint Cans
Date First Available	6 August 2012
Department	unisex-adult
Is Discontinued By Manufacturer	No
Item Model Number	248657
Manufacturer	Rust-Oleum
Product Dimensions	25.4 x 7.6 x 7.6 cm; 419.57 g

Reviews

User

Perfect

18.06.2026

User

Good product

Good product for repainting your Chasis or under-body of car, it gives a new agency like look with Matt black color, and it removes rust and protects against it, makes your car look new againRecommended

6.06.2025

User

Good

31.05.2025

User

Great Application

its a great application, i use it in every oil change on my cars!

9.03.2025

User

ممتاز

حبيت المنتج استخدمته عل دبة التندرا …. عطاني نتيجة حلوة اهم شي نظف المكان قبل لا اترش …… لما اترش اول طبقة تريا لغاية ماتنشف …. بعدها ضيف الطبقة الثانية وعل حسب كم تبي تظيف

16.08.2022

User

لم يصل المنتج

3.12.2025

User

Antirust

Best for applying under car body. Well it takes around three days for complete dry and strong coating.

27.12.2023

User

Really good , recommend

Fast delivery

25.11.2023

User

Excelente calidad

Excelente protector de chasis

27.08.2025

User

Goes on easy

Goes on ok I’ll how long it last

8.09.2023

User

Original product....

Quality is good but not useful bescose you need minimum 3 spray for one tyre wall or wheel arch to cote. Then it works.

14.07.2019

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Received my product in pristine condition. Great service overall.

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3 weeks ago

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HK$202

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

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TrustScore 4.5 | 7,300+ reviews

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