Glass fibre matting

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10 April 2008 at 12:14 #13284
John Hodkinson
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@johnhodkinson18222
Has anyone any idea where I might purchase fine glass matting for my new hull, car body shop matting is much too course.

Thanks

John
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10 April 2008 at 13:49 #13287
Telstar
Participant
@telstar
Hi John Is finishing tissue too fine?

Depends where you live I can get small amounts of fiber glass materials from a local Marina, its not worth mail order small quantities. Otherwise try this firm, Ifound them very helpful.

http://www.resin-supplies.net/

Cheers Tom
10 April 2008 at 14:01 #13288
ashley needham
Participant
@ashleyneedham69188
Hi John. Should be able to get the fine stuff in car type shops, the trick is finding a "traditional" shop that stocks all the odds`n`sods. OR try Art suppliers/artist shops. Hobbies catalogue has some, u can order online at http://www.alwayshobbies.com . ALSO I get larger quantities of resin etc at my local boat chandlers. useless info if you dont have one handy of course, but I find they stock a good range of fibreglass products, including paint stripper specifically for removing paint from fibreglass.. Ashley
10 April 2008 at 16:07 #13290
John Hodkinson
Participant
@johnhodkinson18222
Thanks Gents,

I have ordered the tissue mat from always hobbies,thanks for your prompt reply

Regards

John
18 August 2008 at 20:45 #15304
mick
Participant
@mick
hiya john

try glasplies in southport merseyside ask for a brochure

http://www.glasplies .co.uk hope this of help mick
9 January 2009 at 19:20 #6449
John Hodkinson
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@johnhodkinson18222
19 November 2011 at 02:15 #32488
david taylor 13
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@davidtaylor13
19 November 2011 at 02:17 #32489
david taylor 13
Participant
@davidtaylor13
Could somebody recommend what type of resin and matting to use for casting a hull from a plaster mold
19 November 2011 at 17:05 #32492
Len Ochiltree
Participant
@lenochiltree67043
I have always used the stuff from Halfords.

I have never found it nessessary to FG a wooden hull, just paint it.

Len.
22 November 2011 at 12:24 #32517
Eric Moffat 1
Participant
@ericmoffat1
David, I would be VERY careful casting a glass hull from a plaster mold.

Plaster is porous and if ANY resin gets to it you will need to break the plaster mold to get the hull out, and the hull would be pretty rough afterwards in any event.

You may succeed using a number of coats of release agent on the plaster, but still chancy.

If you still have the plug, make a f/glass mold. Your success ratio would be very much higher.

Eric
24 November 2011 at 12:21 #32534
david taylor 13
Participant
@davidtaylor13
Hi Eric.

Thanks for that but i have been down the fibreglass mold road and had big problems releasing the cast even though i coated and buffed with wax 6 times and used PVA agent on top of that ( which left the cast streaky ). Would the plaster mold be ok if i sealed it with a waterproofing sealer then apply the wax coatings as before.

Best regards Dave
24 November 2011 at 12:21 #32535
david taylor 13
Participant
@davidtaylor13
Hi Eric.

Thanks for that but i have been down the fibreglass mold road and had big problems releasing the cast even though i coated and buffed with wax 6 times and used PVA agent on top of that ( which left the cast streaky ). Would the plaster mold be ok if i sealed it with a waterproofing sealer then apply the wax coatings as before.

Best regards Dave
25 November 2011 at 06:29 #32541
Eric Moffat 1
Participant
@ericmoffat1
G’day, David

I can only suggest you have been using the wrong brand of release agent.

I have cast a few molds & even more yacht hulls & never (touch wood) had any trouble releasing either type of project.

I bought my materials from a marine store, no point in recommending it, I’m in South Australia, sorry.

Regards

Eric
25 November 2011 at 07:53 #32542
david taylor 13
Participant
@davidtaylor13
Hi Eric.

I will try a different release agent , many thanks for your help.

Best regards Dave
6 May 2012 at 11:33 #34298
niels hansen
Participant
@nielshansen70688
Helllo everybody,

As a newcomer in the business I benefit a lot from the vise questions and answers in this forum.

I am building the Fairmont Alpine as my first build ever, and will certainly need some tightening stuff the keep it afloat.

Is this the stuff from Halfords Len is mentioning further up in the thread

David's Fastglass Glass Fibre Kit – Large

I guess this would be the filler to use before sanding and matting.

U-Pol EasyLite Body Filler 750ml

Thanks in beforehand

Niels Hansen
23 May 2012 at 11:20 #34555
Gary Wood 1
Participant
@garywood1
Hi Niels,

Thats the stuff i have used on many occasions before to give my hulls rigidity and make them water tight, dont mix too much resin at once as it tends to set really fast!, any 2 part car body filler will do, but you can buy an easy sand version wich makes life easier.

Gary
23 May 2012 at 11:56 #34556
niels hansen
Participant
@nielshansen70688
Gary,

Thanks for your reply.

I used the stuff from Halfords, by the way I found the fibre mat supplied with the kit a bit heavy, so I went for the tissue. Used P38 as filler. Almost finished the sanding – hate that job, and all looks quite ok to me – it´s still my first build, so aim is not too high.

I bought some filler primer which I intend to use before the red and grey primer, is that the way to go?

Niels
23 May 2012 at 13:56 #34557
ashley needham
Participant
@ashleyneedham69188
Niels Depends how you want to finish your boat… spray aerosols, or tin type paint.

If using spray cans.. my advice is keep to the same manufacturer and type of paint, ie acrylic or whatever.

Filler primer is great stuff if using a gun, quite thick and useful for filling smaller marks and pinholes. Spray can stuff, not so useful. Dust existing surface with a white or grey primer and VERY LIGHTLY rub down to see how bad (or good) the surface is, and go from there…ie another thin scrape of p38, or just a bit more paint and rubbing down, and applying one colour of undercoat.

OR use ordinary undercoat…Dulux etc..this is thick and a few coats will fill quite well. You will then have to use Humbrol enamel or an "ordinary" oil based paint on top. I have found that Humbrol enamel, if left to harden for a few weeks, will take wet and dry paper rubbing down to produce a glassy surface, finish with T-cut or similar.

Ashley
23 May 2012 at 15:22 #34559
niels hansen
Participant
@nielshansen70688
Thank´s Ashley,

I am not the most patient man on earth, so already sprayed the filler stuff. You are right – not much filling, just another primer. I will now give it a light rub, and then maybe I will need a little more of P38 – great stuff by the way – before the primer.

It´s not looking too bad, and as it´s a work boat I am building Im not looking for a superb high gloss finish.

Niels
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