Part with peeled off paint.Next step?

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Part with peeled off paint.Next step?

Part with peeled off paint.Next step?

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Classicarbon	C Classicarbon posted 5 Years Ago HOT Topic Details
C Group: Forum Members Posts: 86, Visits: 639	I have my bonnet which in some places have paint come off. If I use filler to cover level differences and flash tape on top should ok? I plan tu use it to make a mould from it. And rust spots I know
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Part with peeled off paint.Next step?

Classicarbon - 5 Years Ago

Flash tape will add thickness that is extremely difficult to polish out of your mould. You really have to fill them and then at least prime the surfaces before making your mould.

Hanaldo - 5 Years Ago

Just use normal primer? Gel coat won't stick to the primer?

Classicarbon - 5 Years Ago

Be wary of any rattle can high build primers or primers. They are heavily solvent based and would need a proper oven cure to stop them degassing during the mould making process. What happens is the.....

Warren (Staff) - 5 Years Ago

Yeh 2k high build primer. I would always then top coat that properly too, I don't like moulding off primer as it's very hit and miss. But your call. Can also spray PVA release agent, quite reliable....

Hanaldo - 5 Years Ago

I Will struggle to use 2k Primer so might need to stay with flash tape and then smooth out the mould.

Classicarbon - 5 Years Ago

It really is virtually impossible to get rid of flash tape marks without digging a massive low spot in the mould. Much better off using a 1k primer and just spraying PVA release agent as Warren said.

Hanaldo - 5 Years Ago

Is that gun Will be enough Good for PVA ? And can I apply spray glue on top of it after?

Classicarbon - 5 Years Ago

PVA will need less sanding to get smooth then trying to sand out the edge marks of the flash tape.

Warren (Staff) - 5 Years Ago

I honestly would just spray a 1k primer and then use a wax based release instead of pva. This won't dissolve the 1k primer and when demoulding in worst case you ripp off the two little primer patches...

SleepingAwake - 5 Years Ago

Unless the gelcoat attacks the areas of 1k primer, causing alligatoring in both. Then it's a lot of work to fix again. Fairly likely to happen. Classiccarbon, yes use any gun you like. PVA can cause...

Hanaldo - 5 Years Ago

Ah yes my mistake don't need glue haha. Thank you.

Classicarbon - 5 Years Ago

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