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About Us
- Are you the manufacturer of Mastercoat products?
- How long has Mastercoat LLC been in business?
- Why don't you advertise in magazines/on social media?
- Sometimes I see rust products on the internet with a similar tagline or product name as "No More Rust", but worded differently. Are these also Mastercoat products?
- What is the "three coat polyurethane system"?
- View all questions
Metal Prep FAQ
- Do you rinse the Metal Prep off?
- How long does Metal Prep take to dry?
- Do I have to use Mastercoat Metal Prep for my application/can I use another metal prep if yours is not available?
- I used Metal Prep and the surface turned black, is this normal?
- The Metal Prep did not remove all rust, is this normal?
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Sound Deadener & Thermal Insulator FAQ
- Should I add the additive to the rust sealer or the AG111?
- Can I add the additive to AG111?
- Why shouldn't I add the additive to the rust sealer or AG111 and close the lid?
- Does the rust sealer still encapsulate and prevent rust with the additive mixed in?
- Why is the sound deadener set sold with the Slim rust sealer and not Original?
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Product Compatibility
- Can I apply a sound deadener like Lizard Skin over the rust sealers?
- Can I apply AG111 over Lizard Skin?
- Can I apply AG111 over bedliner?
- I have a surface that has paint on it, can I apply your products over it?
- Mastercoat Metal Prep is out of stock, can I use a different brand metal prep?
- View all questions