Name: Rust-Oleum Automotive Primer 2 in 1 Filler and Sandable Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz )
Brand: Rust-Oleum
SKU: 3728775
Price: 8.98 USD
Availability: InStock
Rating: 4.6 (148 reviews)

Here are some similar items...

Rust-OleumAmerican Accents 2X Ultra Cover Satin Blossom White Oil-based Spray paint and primer in one ( NET WT. 12-oz )

2480

Rust-OleumBright Coat Gloss Gold Metallic Oil-based Spray paint ( NET WT. 11.0-oz )

901

Rust-OleumAutomotive Flat Gray Oil-based High Heat Spray primer ( NET WT. 12.0-oz )

Rust-OleumStops Rust Automotive Flat Light Gray Oil-based Spray primer ( NET WT. 12-oz )

170

Rust-OleumStops Rust Flat White Oil-based Spray primer ( NET WT. 12-oz )

108

Rust-OleumStops Rust Automotive Flat Dark Gray Oil-based Spray primer ( NET WT. 12-oz )

165

Rust-OleumAmerican Accents 2X Ultra Cover Satin Canyon Black Oil-based Spray paint and primer in one ( NET WT. 12-oz )

2480

Rust-OleumAutomotive Self Etching Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz ) 6 -Pack

154

Rust-OleumStops Rust Flat Rusty Metal Oil-based Spray primer ( NET WT. 12-oz )

176

Rust-OleumAutomotive Primer 2 in 1 Filler and Sandable Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz ) 6 -Pack

148

Rust-OleumAmerican Accents 2X Ultra Cover Flat Gray Oil-based Spray primer ( NET WT. 12-oz )

623

Rust-OleumAutomotive Self Etching Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz )

154

Rust-OleumStops Rust Gloss Smoke Gray Oil-based Spray paint ( NET WT. 12-oz )

1367

Rust-OleumStops Rust, Rust Reformer Flat Black Oil-based Spray primer ( NET WT. 10.25-oz )

353

Rust-OleumAmerican Accents 2X Ultra Cover Flat White Oil-based Spray primer ( NET WT. 12-oz )

623

COMPLETE YOUR PAINTING PROJECT

Project SourceGloss Black Oil-based Spray paint ( NET WT. 10-oz )

546

Project SourceFlat Black Oil-based Spray paint ( NET WT. 10-oz )

365

ValsparPro Interior PVA Water-based Wall and Ceiling Primer ( 5-gallon )

959

3MPRO Grade Precision Fine 220-Grit Sanding Sponge 1-in x 2.5-in

845

Project SourceMedium 180-Grit Sanding Block 2.65-in x 4.5-in

ScotchBlueOriginal Multi-Surface 2090 6 -Pack 1.88-in x 60 Yard(s) Painters Tape

5325

MinwaxFast-Drying Polyurethane Clear Satin Oil-based Interior Polyurethane ( 11.5-oz )

849

OSIQUAD MAX 9.5-oz Window and Door White Paintable Advanced Sealant Caulk

613

Ram BoardSurface Protector Paper 3-ft x 100-ft Drop Cloth

134

LOCTITEPL PL 500 Solvent Off-white Landscape Exterior Construction Adhesive ( 10-fl oz )

1295

SELLARSToolBox Professional White Rags 200 -Pack Paper Shop towel

802

PurdyClearcut 2-1/2-in Reusable Angle Wall Trim Brush

1080

Rubbermaid Commercial Products12-in Poly fiber Stiff Deck Brush

390

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Price Guarantee

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Return Policy

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Shipping Details

Rust-Oleum 2 In. 1 primer provides a tough, rust inhibitive base for most brands of Automotive lacquers and enamels. For use on metal, wood and fiberglass surfaces.

Stops Rust formula
Ideal for preparing metal, wood and fiberglass surfaces for topcoat
Oil-based formula provides a tough, rust inhibitive base for most brands of Automotive lacquers and enamels
Covers up to 12 sq ft and dries to the touch in 10 minutes for quick project completion
Sands smooth for the ultimate finish
Formulated with Stops Rust technology that delivers a durable, rust and corrosion resistant coating
Comfort spray tip reduces finger fatigue and any-angle spray delivery makes it easy to paint hard to reach places
Once dry, surface can be immediately recoated, top coated or wet sanded

General
Color/Finish Family	Gray	Package Quantity	1
Manufacturer Color/Finish	Gray	Use Location	Interior/Exterior
Sub-Brand	Automotive Primer 2 in 1 Filler and Sandable	Maximum Working Temperature (Fahrenheit)	90
Type	Spray primer	Transparency	Opaque
Sheen	Flat	Clean-up Method	Mineral spirits
Base Material	Oil-based	Actual Net Contents (oz.)	12

Dimensions
Maximum Coverage Area (Sq. Feet)	10

Features
Combustible	Yes	Minimum Working Temperature (Fahrenheit)	50
Dry to Recoat (Minutes)	10	Moisture Resistant	Yes
Dry to Touch	10 minutes	Paint and Primer in One	No
Fade Resistant	No	Primer Required	No
Flammable	Yes	Rust Preventative	Yes
High Heat	No	UV Resistant	No
Inverted Spray Ability	Yes	Water Resistant	No
Low Odor	No	Professional Artist Spray Paint	No
Mildew Resistant	No	Interchangeable Spray Cap	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	None

Compatibility
For Use on Plastic	No	For Use on Vinyl	No
For Use on Stone	No	For Use on Automotive	Yes
For Use on Metal	Yes	For Use on Fabric	No
For Use on Wood	No	For Use on Appliances	No
For Use on Concrete	No	For Use on Styrofoam	No
For Use on Glass	No	For Use on Farm Equipment	No

Miscellaneous
UNSPSC	31211500

Check out the Best Selling Spray Paint on Lowes.com

Review

4.6 out of 5

148 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 1

What Customers Are Saying

Customers overwhelmingly praise this primer for exceptional sandability, fast drying, and versatile adhesion. Most highlight how smoothly it sands without gumming paper, dries in minutes, and bonds reliably to plastic, metal, and challenging surfaces. Many report one-coat coverage that hides imperfections and fills print lines effectively. Users across automotive, woodworking, and 3D printing projects call it a must-have, 2-in-1 solution delivering professional results. A few experienced spray nozzle clogging, though product performance remains consistently strong overall.

Customer review summary generated by AI, including incentivized reviews.

148 Customer Reviews

Sort By

Great Coverage and Easy to Sand!

Would Recommend

I was very impressed with this Rust-Oleum Automotive 2-in-1 Filler & Sandable Primer. It sprays evenly, provides excellent coverage, and does a great job filling in minor imperfections before painting. The flat gray finish makes it easy to see areas that still need attention, and it sands down smoothly for a clean, professional-looking surface. The spray pattern was consistent, and I didn't experience any issues with clogging or uneven application. It adheres well and builds nicely with multipl...

BadmagSeptember 1, 2026
Verified Purchaser

Was this Review Helpful ?

easy to use looks good.

Would Recommend

lays on smooth and is easy to sand.

dookiedeeAugust 27, 2026
Verified Purchaser

Was this Review Helpful ?

It’s Primer

Would Recommend

Coats well and sands easily.

RickJune 21, 2026
Verified Purchaser

Was this Review Helpful ?

Easy to use

Would Recommend

The product was easy to spray and fast drying.

StephJune 19, 2026
Verified Purchaser

Was this Review Helpful ?

Perfect for the Job

Would Recommend

Great at what it does, super easy to sand and overall work with.

ALLJSMay 27, 2026
Verified Purchaser

Was this Review Helpful ?

Great product

Would Recommend

Lays great.

MikeMay 25, 2026
Verified Purchaser

Was this Review Helpful ?

Great coverage and fills well

Would Recommend

Works great

Colbie79May 22, 2026
Verified Purchaser

Was this Review Helpful ?

It’s primer

Would Recommend

Great product covered what I needed

ChuckoolsMay 14, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/38ba6fc9-678e-5609-8884-4f4af23dd467

Was this Review Helpful ?

13 Questions

Read All Q&A

Sort By

Rust-Oleum: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Rust-OleumAutomotive Primer 2 in 1 Filler and Sandable Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz )
		Ratings	148
		Sheen	Flat
		Type	Spray primer
		For Use on Metal
Rust-OleumStops Rust Flat White Oil-based Spray primer ( NET WT. 12-oz )	Rust-OleumAutomotive Self Etching Flat Gray Oil-based Spray primer ( NET WT. 12.0-oz )	Rust-OleumStops Rust Automotive Flat Light Gray Oil-based Spray primer ( NET WT. 12-oz )	Rust-OleumProfessional High Performance Flat Gray Oil-based Spray primer ( NET WT. 15-oz )	Rust-OleumAutomotive Flat Gray Oil-based High Heat Spray primer ( NET WT. 12.0-oz )	Rust-OleumStops Rust, Rust Reformer Flat Black Oil-based Spray primer ( NET WT. 10.25-oz )	Rust-OleumAutomotive Gloss Clear Oil-based Spray paint and primer in one ( NET WT. 12-oz )	Rust-OleumAutomotive Stops Rust Flat Black Textured Oil-based Spray paint ( NET WT. 15.0-oz )	Rust-OleumStops Rust Automotive Flat Dark Gray Oil-based Spray primer ( NET WT. 12-oz )
108	154	170	2118	65	353	29	96	165
Flat	Flat	Flat	Flat	Flat	Flat	Gloss	Flat	Flat
Spray primer	Spray primer	Spray primer	Spray primer	Spray primer	Spray primer	Spray paint and primer in one	Spray paint	Spray primer

FEATURED PRODUCTS

It's easy to transform old items with wood spray paint and spray paint for furniture. Find the perfect spray paint for your next project at Lowes.com.