




🛠️ Protect your ride like a pro—rust doesn’t stand a chance!
Rust-Oleum 248657-6PK Undercoating Spray is a durable, rubberized aerosol designed to protect vehicle underbodies from rust, water, salt, and abrasion. With fast 30-minute dry time and wide, any-angle spray tip, it offers easy application and sound deadening. Each 15 oz can covers 10-12 sq. ft., and this 6-pack ensures long-lasting corrosion resistance for cars, trucks, trailers, and RVs.















| ASIN | B0BGYMHVR4 |
| Batteries Required? | No |
| Best Sellers Rank | #1,313 in Automotive ( See Top 100 in Automotive ) #1 in Undercoatings |
| Brand | Rust-Oleum |
| Color | Black |
| Color Code | Black |
| Coverage | 10-12 sq. ft. per can |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,342) |
| Date First Available | December 22, 2022 |
| Dry Time In Hours | 0.5 |
| Finish | Matte |
| Finish Type | Matte |
| Global Trade Identification Number | 10020066195578 |
| Indoor/Outdoor Usage | Outdoor |
| Is Waterproof | True |
| Item Form | Aerosol |
| Item Package Quantity | 1 |
| Item Volume | 15 Fluid Ounces |
| Item Weight | 7.65 pounds |
| Item model number | 248657 |
| Manufacturer | Rust-Oleum |
| Model Name | Automotive Undercoating Spray |
| Number Of Pieces | 6 |
| Package Information | Can |
| Paint Type | Spray |
| Part Number | 248657 |
| Product Dimensions | 2.63 x 2.63 x 9.5 inches |
| Size | 15 Ounce (Pack of 6) |
| Special Feature | Corrosion Resistant |
| Special Features | Corrosion Resistant |
| Specific Uses For Product | Interior/Exterior |
| Style | Spray |
| Surface Recommendation | Metal |
| Unit Count | 90.0 Ounce |
G**Y
Durable undercoating with consistent texture and strong coverage
This Rust-Oleum undercoating applies evenly and creates a thick protective layer that adheres well to metal surfaces. The texture is uniform and dries to a firm finish that helps reduce moisture exposure. It sprays smoothly and does not run when applied in controlled passes. Once cured the coating feels durable and provides good resistance against road debris and salt. It is effective for covering existing small surface rust and helps prevent further spread when applied properly. The cans spray consistently across the entire set so there is no variation in finish between applications. For anyone looking to protect the underside of a vehicle or metal components this product offers reliable performance and long lasting protection.
K**D
Good product, cheaper than at the auto stores
Protects your car from the potassium and sodium salts they use in the northeast. Easy spray application, wear a mask. Better price than you can get at the auto stores.
M**.
Great product would buy again.
this product in a rattle can was surprisingly a great product for my application without buying something that you need a compressor to spray on the product goes on easy and so far works well. I live on the coast in Oregon, where it rains a lot salt air does affect the bottom carriage of our cars and trucks little Spand the quality above all right. Would purchase again.
J**N
Undercoating is easy to use.
Undercoating for my Hummer. Works good and fast.
D**S
it does the job!
good stuff, good price!
W**F
Great product
Great coverage
N**G
Works fine
Used tons of this stuff over the years with no issues. It does wear off especially where rocks are kicked up by the tires. and you can pressure wash it off. used about 4 cans of the 6 i ordered here and all worked find with no clogged nozzles. Stuff stinks and you will want to use it in a well ventilated area.
T**L
Reasonable
Works as advertised no Problems yet. Look and feels appropriate. Reasonable
K**U
Best for applying under car body. Well it takes around three days for complete dry and strong coating.
M**M
Fast delivery
A**I
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 again Recommended
B**Z
Excelente protector de chasis
H**N
Goes on ok I’ll how long it last
Trustpilot
1 month ago
2 weeks ago