[Spridgets] Fiberglass question

Rick Bastedo rbastedo at gmail.com
Sun Jun 19 12:24:00 MDT 2011

I like that idea, I had not thought of that solution - Thanks Pete!

On Sun, Jun 19, 2011 at 11:12 AM, Pete Chast <pchast at francomm.com> wrote:

> I didn't read the whole thing first....
> Why not treat the plaster with heavy wax like floor wax?
> On Sun, 19 Jun 2011 13:35:22 -0400, Rick Bastedo <rbastedo at gmail.com>
> wrote:
>> I need some kind of mold release agent, PVA would do nicely but I'm having
>> trouble finding any I can go and buy today.
>> I can order from an online place, but that's not going to get the job done
>> today.
>> I have a plaster cast mold I want to lay in some fiberglass and resin and
>> then be able to pop it out without breaking the mold.
>> In a previous job I had doing this kind of thing (several decades ago) we
>> would use special chemicals and everything worked great.
>> Now I want to do a little of this at home in my spare time, making
>> impossible to buy new spridget bits & pieces out of fiberglass.
>> Anyone think of a substitute for PVA or some other way of doing this?
>> For the casting metal piece that I was putting into the plaster to create
>> the mold I rubbed the surface all over with wax from a candle.
>> It popped right out perfectly.
>> I'm considering giving the mold the same treatment, then laying in the
>> fiberglass and resin and then just hope it comes out cleanly.
>> Any other ideas?
>> Rick (spridgety bits) Bastedo
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