VHT Flameproof Coating Very High Heat Nu-Castâ„¢ Cast Iron

4.5 4.5 out of 5 stars | 2,994 ratings

Price: 16.25

Last update: 01-30-2025


About this item

Flame proof coating extends life of high heat surfaces
Matte finish ceramic silicone base widely used on automotive exhaust
Best when used with primer color paint and clear coat process
Withstands temperatures up to 2000 degrees when cured properly

Product information

Technical Details


Top reviews from the United States

  • ROMO
    5.0 out of 5 stars Good Stuff
    Reviewed in the United States on December 20, 2023
    It is not the first time I am buying and using this High Temp Paint spray, either Flat Black or Glossy Black.
    It is relatively expensive and it provides good results on hot surfaces: it depends very much of the kind of the surface and the preparation work being done before the application.
    In my opinion, it provides longer durability when applied over a cast iron part (ex: exhaust manifold) than o a new exhaust pipe or muffler -- it will start to flake after several months, in particular off the aluminized or factory painted (exhaust) parts.
    On older exhaust parts, I had better luck after removing the surface rust and cleaning with good brake cleaner.
    Painted over the exhaust wrap... mixed results. It the wrap is in areas that are some more exposed to whatever flies under the vehicle, the paint and (later) the wrap is not going to last long, as they are not quite abrasion resistant.
    Otherwise: read and follow the instruction.
  • JD
    5.0 out of 5 stars Great paint
    Reviewed in the United States on December 31, 2024
    Durable coating. Applied really well even in colder temp.
  • Larenzo Z
    5.0 out of 5 stars Great ???? product
    Reviewed in the United States on December 16, 2024
    Nice primer for what I'm doing
  • Aaron T.
    5.0 out of 5 stars -Great for exhaust parts- Follow the process- and it will be GREAT!
    Reviewed in the United States on October 24, 2024
    Color is FLAT black- if you rub it with some microfiber it will barely shine.
    wanted the chrome pieces black on my bike.
    These were polished chrome . I used the strongest stuff I could think of to degrease.
    First step , paint thinner
    Step 2 - sand with 400 grit
    Step 3 - rub with 91% isopropyl
    Step 4 - good rub down wit Brake Cleaner
    Step 5 - wear gloves from now on- the grease on your greasy paws will ruin steps 1-4
    Step 6 - paint per directions
    Step 7 - and this one is KEY- bake per directions.
    I used the grill with some foil over the burners.
    Customer image
    Aaron T.
    5.0 out of 5 stars
    -Great for exhaust parts- Follow the process- and it will be GREAT!

    Reviewed in the United States on October 24, 2024
    Color is FLAT black- if you rub it with some microfiber it will barely shine.
    wanted the chrome pieces black on my bike.
    These were polished chrome . I used the strongest stuff I could think of to degrease.
    First step , paint thinner
    Step 2 - sand with 400 grit
    Step 3 - rub with 91% isopropyl
    Step 4 - good rub down wit Brake Cleaner
    Step 5 - wear gloves from now on- the grease on your greasy paws will ruin steps 1-4
    Step 6 - paint per directions
    Step 7 - and this one is KEY- bake per directions.
    I used the grill with some foil over the burners.
    Images in this review
  • J
    4.0 out of 5 stars No mixing ball? Or stuck? Send it
    Reviewed in the United States on August 31, 2023
    Got the paint, rattle the ratsh-t out of it for over the span of 2 days without a mixing ball.

    Said to heck with it since I'd like to wrap up my project and only need the paint and primer to function as a sealant of sorts.

    I used Rustoleum 2000F Primer and cured once at 250F, once at 400F and twice at 450F (my oven doesnt go up to the recommended 600F)

    The primers finish came out great, I received this can of VHT and after deciding to just "send it" despite the lack of mixing ball, off I went.

    I made sure to shake up the paint as good as I possibly can to give it (and myself) the best shot. I was expecting dribbly nozzle action. The can worked as normal, the spray pattern and atomization seemed unaffected (keep in mind I shook the hell out of it for at least 3 collective hours).

    I cured this the exact same as I cured the primer. The finish was pretty good except for a few spots where I may have oversprayed a little bit, only very slight miniscule bubbles on one or two areas. I let it cure again at 450F which seemed to harden up those bubbles a little more so I figured it was fairly well cured.

    Lots of off-gassing smoking when curing, do not do this indoors. I expect more smoke when the car is started.

    Other than missing a mixing ball, which the rustoleum primer definitely had, I guess the product speaks for itself.

    This part is completely hidden in the engine bay, this was just to help the 40 year old iron with heat dissipation and to possibly prevent a surface crack from spreading. The paint was used for it's utility and not aesthetics so I suppose it's not a bad deal.

    Shipping was awful, but again a fault on my part since I didn't bother to check local stores. Almost a week coast to coast.
    Customer image
    J
    4.0 out of 5 stars
    No mixing ball? Or stuck? Send it

    Reviewed in the United States on August 31, 2023
    Got the paint, rattle the ratsh-t out of it for over the span of 2 days without a mixing ball.

    Said to heck with it since I'd like to wrap up my project and only need the paint and primer to function as a sealant of sorts.

    I used Rustoleum 2000F Primer and cured once at 250F, once at 400F and twice at 450F (my oven doesnt go up to the recommended 600F)

    The primers finish came out great, I received this can of VHT and after deciding to just "send it" despite the lack of mixing ball, off I went.

    I made sure to shake up the paint as good as I possibly can to give it (and myself) the best shot. I was expecting dribbly nozzle action. The can worked as normal, the spray pattern and atomization seemed unaffected (keep in mind I shook the hell out of it for at least 3 collective hours).

    I cured this the exact same as I cured the primer. The finish was pretty good except for a few spots where I may have oversprayed a little bit, only very slight miniscule bubbles on one or two areas. I let it cure again at 450F which seemed to harden up those bubbles a little more so I figured it was fairly well cured.

    Lots of off-gassing smoking when curing, do not do this indoors. I expect more smoke when the car is started.

    Other than missing a mixing ball, which the rustoleum primer definitely had, I guess the product speaks for itself.

    This part is completely hidden in the engine bay, this was just to help the 40 year old iron with heat dissipation and to possibly prevent a surface crack from spreading. The paint was used for it's utility and not aesthetics so I suppose it's not a bad deal.

    Shipping was awful, but again a fault on my part since I didn't bother to check local stores. Almost a week coast to coast.
    Images in this review
  • S Sam
    5.0 out of 5 stars Good value
    Reviewed in the United States on January 15, 2025
    Coverage, quality, color, and adhesion is good. Easy to apply.
  • JON EVANS
    5.0 out of 5 stars Highly recommend recommended
    Reviewed in the United States on January 21, 2025
    Painted quad exhaust and exhaust on vehicles with no primer does not chip off or fade. Love this product.
  • Steve
    5.0 out of 5 stars Very high temp rating
    Reviewed in the United States on January 16, 2025
    Excellent protective coating for new aluminum castings

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