Are you making the part as a wet lay ? I would suggest using an Epoxy gelcoat in the mould first, a thin layer, then let it cure to tack, then lay up. You can then place a plastic bag full of warm/hot water in the mould, on top of peel-ply and release film.
I would use a "stack" like this:
polythene bag of hot water (will keep an even pressure on the inside of your "layup" preventing the resin from pooling in the bottom of the mould, AND help cure it faster
)
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resin absorber cloth (Absorbs excess resin that comes through the perforated film)
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perforated release film (Bread wrap)
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Peel-Ply (Will give a good surface for bonding the foam onto the back.)
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CF
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CF
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Repeat as needed
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sticker/image
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very thin layer of resin
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Gelcoat cured to tack
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Release agent / wax --
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Mould.
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