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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Undercoating Rubberized Spray

Product ID: 22369740

Details

Brand
Rust-Oleum
Color
Black
Finish Type
Matte
Item Volume
443.6 ml
Paint Type
Spray
Size
15 Ounce (Pack

🔊Reduces road noise

⏱️Dries to touch in 30 mins

🛡️Long-lasting rust protection

3138F

Duties & taxes included

In stock

Sold byAmazon French PolynesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Protect your ride like a pro—because rust waits for no one!

NOISE REDUCING ARMOR - Deadens road noise and protects undercarriage parts from abrasion for a smoother, quieter ride.
ULTIMATE RUST DEFENSE - Rubberized formula shields metal from corrosion, water, salt & chemicals for lasting durability.
EFFORTLESS APPLICATION - Wide comfort spray tip with any-angle technology lets you spray upside down with precision and ease.
FAST EFFICIENT COVERAGE - Covers up to 12 sq. ft. per can and dries to the touch in just 30 minutes—get back on the road faster.
VERSATILE VEHICLE PROTECTION - Ideal for cars, trucks, trailers, and RVs—perfect for pros who demand reliable underbody defense.

Rust-Oleum Rubberized Black Undercoating Spray offers a durable, waterproof barrier that protects vehicle underbodies from rust, corrosion, and road damage. With fast drying time, excellent coverage, and noise reduction benefits, it’s engineered for easy application and long-lasting performance on metal surfaces.

Specifications

ASIN	B003CT49AI
Age Range Description	Adult
Best Sellers Rank	#18,171 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #72 in Spray Paint
Brand	Rust-Oleum
Brand Name	Rust-Oleum
Color	Black
Color Code	12 sq ft
Container Type	Can
Coverage	12 sq ft
Customer Reviews	4.6 out of 5 stars 4,151 Reviews
Dry Time In Hours	24
Finish Type	Matte
Full Cure Time	30 minutes
Global Trade Identification Number	00020066185985
Included Components	Rust-Oleum Black Undercoating 15 oz. (12 Pack)
Indoor Outdoor Usage	Outdoor
Is Waterproof	True
Item Form	Aerosol
Item Type Name	Rust-Oleum Black Undercoating 15 oz. (12 Pack)
Item Volume	443.6 ml
Item Weight	14.8 ounces
Manufacturer	Rust-Oleum
Model Name	Rust-Oleum Black Undercoating 15 oz. (12 Pack)
Model Number	248657
Paint Type	Spray
Part Number	248657
Size	15 Ounce (Pack of 1)
Special Feature	Rust Resistant
Special Features	Rust Resistant
Specific Uses For Product	Exterior
Surface Recommendation	Metal
UPC	020066185985
Unit Count	15 Ounce
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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