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Sept 22, 2011 17:32:49 GMT
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Hi all,
Does anyone have any experience of the best way to remove a section of mastic. I only need to remove a small section of the mastic inside the boot but it's proximity to the petrol tank makes me a bit nervous of hot air guns. any idea?
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Sept 22, 2011 20:22:34 GMT
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Wire wheel will have it out. If you're worried about sparks then a nylon wheel would also have the same effect (albeit less abrasive).
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1994 Rover Metro
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1991 Rover Metro Gti 16v
2001 Fiat Seicento Sporting
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1959 Ford 107e Prefect
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madmog
Club Retro Rides Member
Posts: 1,160
Club RR Member Number: 46
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Removal of Masticmadmog
@madmog
Club Retro Rides Member 46
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Sept 23, 2011 7:44:42 GMT
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Maybe bath sealant remover? Usually at the DIY stores next to the bath sealants. It's messy though as it dissolves the sealant to a nasty gloop
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Sept 23, 2011 9:07:04 GMT
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I'd go for the wire brushes in a drill or angle grinder too
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Sept 23, 2011 13:28:01 GMT
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thanks for the advice, chaps :-)
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da6t
Part of things
Posts: 10
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Dec 22, 2011 21:50:45 GMT
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You'll still get sparks with a wire brush!!
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Dec 23, 2011 23:28:33 GMT
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There are 2 sorts of "Mastic". One is silicone, one is Polyurethane.
There are effectively more sorts, but this split is effective:
If it is Silicone, heat will not affect it. This is the very rubbery stuff that `usually`smells of vinegar when applied. the only real way of removing this is mechanical. My way is to sharpen a paint scraper and slice it off.
Polyurethane goes soft when heated - but very sticky. I use a poly-wheel, usually known as an "Easi Strip" for this.
Dust sheet over the tank area if you are still not sure.
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'83 GTM Coupe. 4A-GE Powered
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