Silicon moulds VS fiberglass moulds

[dele]

Which last longer?

 

[FrankNewman27501]

Fibreglass , if looked after will last forever, whereas silicone will eventually fail


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[Zmcewen]

definitely fiberglass

 

[mikeadams1985]

silicone eventually shrinks,
fibreglass can and will last indefinatly, got moulds here 30 years old

 

[theclemo]

I don't know who to back.