I have a large storage building roof to coat. Can I use a garden sprayer?

As a Ablebody Seaman (Unlimited, Any Waters) and US NAVY VET. I've probably busted more rust than 99.9% of anyone hear. While working on the TW Nelson (Mobile oil's Survey Vessel) we helped develop this stuff. Also aboard Supertankers for several oil Company's we got to try several different Brands of rust converter/reformer.. We brushed it. rolled it. sprayed it ( w/ air gun pick-up) and they all worked better than all previous methods.. and there were a bunch!!! In my opinion Corroseal was the Best of all!! I still buy it in quart & gallon sizes (when required as it goes a long way) DO NOT LET ANY OF THESE FREEZE!!! WATER BASED & WILL TURN INTO A ROCK. Talk about wasted $$$? Don't waste time & money on Rattle Cans as caps k-rap-out way before product does! U want to spray a large area? use air-sprayer w/ large orifice, more thin coats better than 1 thick. let dry. Just Bust off any Scale & Leave the rust. wash down, let dry then get after it! Just give up on acid & paste & all that k-rap. (I took more accidental showers in Ospho than I care to remember, before the new stuff) Wan-kers Away. Old Salty

how long before rust comes back if not painted right away?

You don't necessarily need to paint over it. The rust doesn't comeback if you use Corroseal as directed. It seals the metal.

how long before rust comes back if not painted right away?

Well, I bought it to touch up my deck chairs. The weather got cold and I have not had a chance to repaint them. I will do so in the spring. So that application is uncertain at present. However, since I had so much... My dishwasher racks had exposed metal where the rubber coating had broken down. I applied this stuff to those exposed areas, probably 2-3 months ago. I have not repainted or otherwise coated those areas. In the meantime, I have used the dishwasher multiple times (with that strong detergent!), and none of the areas I applied this stuff to has 1) lost its black color which was the result of the application, nor 2) begun to rust again. So, the coating seems very durable, even in the face of the adverse conditions in the dishwasher (water, heat, chemicals). YMMV

If i brush down to bare metal with no rust remaining, would i be better off with a different primer? (other than cost that is. i already bought it.)

Corroseal needs the rust to bond to. If you're at bare metal an epoxy primer would be best. Make sure you use a solvent to clean the surface to remove any dirt or oils that may have come from your hands. I've had great success with Corroseal on light to heavy rust.

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🛠️ Rust No More: Your Metal's Best Friend!

ECO FRIENDLY CHOICE - Water-based and non-flammable for a safer environment.
EFFORTLESS COVERAGE - Covers up to 300 sq ft/gallon for maximum efficiency.
COMPACT CONVENIENT - Designed for easy handling and storage.
VERSATILE APPLICATION - Perfect for both interior and exterior projects.
TRANSFORM RUST TO RESILIENCE - Say goodbye to rust with our innovative water-based formula!

Corroseal Water-Based Rust Converter Metal Primer is a high-performance solution designed to convert rust into a protective barrier. With a coverage of 300 square feet per gallon, this non-flammable primer is perfect for both interior and exterior applications. Weighing just 1.17 kg and featuring a sleek metallic finish, it combines convenience with effectiveness, making it an essential tool for any DIY enthusiast or professional.

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1146 DH

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Moroccostore

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Part number	82320
Item Weight	1.17 Kilograms
Product Dimensions	24.89 x 9.14 x 9.14 cm; 1.17 kg
Item model number	82320
Size	1 Quart (Pack of 1)
Color	Metallic
Finish	Metallic
Item Package Quantity	1
Coverage	300 square feet/gallon
Special Features	Non Flammable
Specific uses	Interior/Exterior
Batteries Included?	No
Batteries Required?	No

CorrosealWater-Based Rust Converter Metal Primer, 82

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