Gelcoat cracking / crazing

Started by HughBug, March 31, 2019, 05:42:24 PM

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HughBug

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Quote from: Manxdavid on April 02, 2019, 02:50:16 PM
Quote from: Paul1953 on April 02, 2019, 11:55:56 AM
Quote from: Manxdavid on April 02, 2019, 11:45:20 AM
Sorry, bad news, spoke to Absolute and the Koyote, Renegade and Manta Ray moulds have all 'vanished'. Very sad!

Any more on this Dave..

Seemingly they were sold to someone who took them but ended up not paying and seems to have vanished owing $$$.
Oh lovely, that must've peed them off somewhat  >:(

Thanks everyone, great advice, especially 'have a crack at it'  ;D

Any further dad jokes or puns will be severely punished ;)

Cheers :)

Hugh the 2nd
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Badger

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this is who i buy from
https://www.mbfg.co.uk/
quality product and not to bad on price, look on left side drop menu - fibergalss kits -
the last lot i bought from them was about 10m of glass resin etc (1x 10kg kit) and got change from £70 cant remember postage cost, i have pleanty of kit left over after 1 failed dash then a new plug mould and 2nd dash, 2 frenched rear lights loads of minor repairs and adding strength in places + im yet to mould and build my sidepods, so overall its not too expencive to have a go yourself, just have confidence and go for it, it never hurts to try new things  ;)
if your not sure what product you need then phone them tell them what you need it for,
or even look for your local boat builder/repair marina etc and talk to them for advice
Rich.

Paul1953

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HughB`   a couple of photo`s by way of encouragement to "have a go"....

I use plant pots as a basis for making light pods because of the tapering sides. This means, by collecting a particular size pot, you have a wide range of varying diameters to allow a perfect match with the light unit base. (They are also very good for producing "frenched" in items).

The yellow light pod in the photo started off as a brown plant pot cut down to suitable dimensions. The other photo shows what you end up with after your 80% prep.  Plant pot wrapped in layers of fibreglass inside and out to provide a sturdy structure. Sanded down. Pin holes, cracks etc filled in with cellulose putty, (I won`t use modern polyester version). Lots of rubbing down with wet and dry. more celly putty. More rubbing down. On and on until mist coat all ok . First coat of colour. More putty, more rubbing down and finally ready. A couple of top coats. No polishing was required for the finish you see.  (Note ..although the plant pot was brown what you see is "red primer". I use this and black to highlight highs and lows.

All this work not every ones cup of tea but the end result is well worth the graft..  ;-)up ;-)up






HughBug

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Yeah, I'll have a go.

I've just been down with the bonnet to see Fibreglass Phil http://www.fibreglassphil.co.uk/index.html who is currently working on vehicles from the Touring Car Championship. Their workshop is about a mile from our house.

He's given me the same encouragement and advice as everyone here, with the added encouragement of a quote of £500 - £600 to do the work themselves :o , but not able to do anything until the racing season is over.
He even wants to see the finished product as he's quite interested in buggies.

So, give me a couple of weeks and I'll see what comes of my efforts.

Cheers :)

Hugh the 2nd
A little knowledge is a dangerous thing........warning - this user has very little knowledge :D

HughBug

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I've just started chasing the cracks with a dremel and cutting V shapes down to the glass. Once I've completed this, can I use acetone based nail varnish remover to clean up? I have some quite strong stuff in stock for other cleaning jobs.

Cheers :)

Hugh the 2nd
A little knowledge is a dangerous thing........warning - this user has very little knowledge :D

Paul1953

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Yes acetone is is the solvent to use. Nail varnish remover is acetone.

Gel coat is resitive to solvents within reason. Just wipe any surplus off with a lint free rag.

HughBug

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Thanks. Taking my time to fit around other commitments, but should be finished widening the cracks over Easter.

Cheers :)

Hugh the 2nd
A little knowledge is a dangerous thing........warning - this user has very little knowledge :D

Manxdavid

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Nail varnish is acetone but a lot of it is 'oily' so may leave a residue.
"Ah, Beach Buggies, sure, just a quick cheap way of getting a few more years out of a rusty Beetle. You can throw one together in a weekend." anon.

HughBug

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What I suspected, so I've just bought 1 litre pure acetone from Amazon.

Cheers :)

Hugh the 2nd
A little knowledge is a dangerous thing........warning - this user has very little knowledge :D

Dave DND

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Quote from: Manxdavid on April 17, 2019, 11:40:31 PM
Nail varnish is acetone but a lot of it is 'oily' so may leave a residue.

Indeed, cheapie nail varnish remover branded as Acetone has Lanolin added to it to reduce the drying effects of the skin

Look for pure acetone, dead easy to get and bulk size bottles are not that expensive either
07801 131144 / 01803 391680
dave@dndservices.co.uk


HughBug

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 ;-)up ;-)up
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Paul1953

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Apologies.... How things change over the years.... I had no idea nail varnish remover now has crap added.  Definately as pure as you can get within reason. 

HughBug

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Quote from: Paul1953 on April 18, 2019, 03:34:59 PM
Apologies.... How things change over the years.... I had no idea nail varnish remover now has crap added.  Definately as pure as you can get within reason. 
No worries. When I was looking on line there was even a nail polish remover with conditioner.

Cheers :)

Hugh the 2nd
A little knowledge is a dangerous thing........warning - this user has very little knowledge :D

Dave DND

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Quote from: HughBug on April 18, 2019, 05:06:09 PM
When I was looking on line there was even a nail polish remover with conditioner.

Thats probably the Lanolin I mentioned  ;-)up
07801 131144 / 01803 391680
dave@dndservices.co.uk


Hazel

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Remember to really go to town with those 'V's. I remember sharing this years ago and everyone got scared.












And while you're at it, now is the time to make any body shape mods (if there's anything you want to change)  8)
Remember happiness is a way of travel, not a destination!

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