Ask an Expert..... » Fibreglass question

#1 by dazmanf , Mon Jun 09, 2014 8:11 pm

I'm looking to cast off a surface but how do I stop fibreglass from sticking to it, tried tin foil and plastic.
Tin foil was a ballox to peel off the fibreglass and plastic rise up leaving an unflat surface

#2 by gundog , Mon Jun 09, 2014 8:12 pm

I'm no expert, but how about a thin film of grease or vasaline

#3 by Discodaz , Mon Jun 09, 2014 8:35 pm

Cling film?

Daz

#4 by Warriorbez , Mon Jun 09, 2014 8:37 pm

Petroleum jelly

#5 by skotl , Mon Jun 09, 2014 8:40 pm

@CCCreations will be able to tell you, I'd think.

#6 by dazmanf , Mon Jun 09, 2014 8:45 pm

Quote: skotl wrote in post #5
@CCCreations will be able to tell you, I'd think.

Must send a pm
I know that greases etc will contaminate the surface prior to prep and paint

#7 by chaldon3 , Mon Jun 09, 2014 8:45 pm

i think if the fiberglass has a gel coat on polish sufrace. hmmm wait for ccc the expert.

#8 by skotl , Mon Jun 09, 2014 8:55 pm

Much as it pains me to say so publicly, my money's on WB and his petroleum jelly.

Which is still better than my petroleum jelly is on WB and his money...

#9 by dazmanf , Mon Jun 09, 2014 8:58 pm

Is petroleum jelly easy to clean off?

#10 by skotl , Mon Jun 09, 2014 9:03 pm

Quote: dazmanf wrote in post #9
Is petroleum jelly easy to clean off?

Isopropyl alcohol seems the best bet - evaporates very rapidly and doesn't affect (most) plastics.

#11 by AD , Mon Jun 09, 2014 9:04 pm

PVA release agent is what you need.

#12 by gundog , Mon Jun 09, 2014 9:05 pm

Quote: skotl wrote in post #8
Much as it pains me to say so publicly, my money's on WB and his petroleum jelly.

Which is still better than my petroleum jelly is on WB and his money...

I said Vaseline first lol, so you could agree with me instead

#13 by skotl , Mon Jun 09, 2014 9:08 pm

I've decided to distance myself from all responses, having stumbled upon this thread while searching for "clean up petroleum jelly".

https://forums.bad-dragon.com/viewtopic.php?f=5&t=3159

It honestly took me till halfway down the page before I realised what they are talking about. Yeuch

#14 by dazmanf , Mon Jun 09, 2014 9:13 pm

#15 by AD , Mon Jun 09, 2014 9:14 pm

HAha lmfao Cumlube get in there

#16 by Warriorbez , Mon Jun 09, 2014 9:14 pm

Quote: skotl wrote in post #13
I've decided to distance myself from all responses, having stumbled upon this thread while searching for "clean up petroleum jelly".

https://forums.bad-dragon.com/viewtopic.php?f=5&t=3159

It honestly took me till halfway down the page before I realised what they are talking about. Yeuch

What's your username on that forum??

#17 by gundog , Mon Jun 09, 2014 9:15 pm

I won't ask why your on that site lol

#18 by skotl , Mon Jun 09, 2014 9:15 pm

Quote: Warriorbez wrote in post #16
Quote: skotl wrote in post #13
I've decided to distance myself from all responses, having stumbled upon this thread while searching for "clean up petroleum jelly".

https://forums.bad-dragon.com/viewtopic.php?f=5&t=3159

It honestly took me till halfway down the page before I realised what they are talking about. Yeuch

What's your username on that forum??

"Warriorbez", but my mates call me "cumlube"

#19 by dazmanf , Mon Jun 09, 2014 9:15 pm

Pva release agent sounds like a winner, cheap on the bay of e too

#20 by CCCreations , Mon Jun 09, 2014 11:28 pm

What are you trying to make a cast of?

#21 by krutly , Tue Jun 10, 2014 8:34 am

Quote: skotl wrote in post #8
my money's on WB and his petroleum jelly.

well that's a phrase I thought I'd never hear

#22 by CCCreations , Tue Jun 10, 2014 12:05 pm

lol as much as you guys seem to like Petroleum jelly lol. don't use it as a mold release, use it for some kind of other release ;)

#23 by jonboy07 , Tue Jun 10, 2014 8:43 pm

look on ebay etc for release wax, or you can even use pva glue, it wont stick to the GRP

hth

john

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Fibreglass question

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