Fiberglass and resin really stick to foam??

Canvas covered foamies (Thrifty Alternatives...)

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Re: Fiberglass and resin really stick to foam??

Postby tony.latham » Tue Sep 10, 2019 3:49 pm

Simond's Fiberglass Woven Roving (18 Oz, Plain Weave) (50" x 36 ft. / 12 yd. Long) https://amzn.to/2Lp82kP $57.49


Why 18 oz cloth? That's some heavy stuff that is going to soak resin like a fat sponge.

Tony
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Re: Fiberglass and resin really stick to foam??

Postby saywhatthat » Tue Sep 10, 2019 8:04 pm

you will be fill & sanding forever The foam is the main strength the glass keep you from putting your finger thru the foam
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viewtopic.php?f=50&t=66751
Build 4.5 by 8' using Trailtop fiberglass Components
http://tnttt.com/viewtopic.php?f=50&t=70729
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Re: Fiberglass and resin really stick to foam??

Postby John61CT » Tue Sep 10, 2019 8:25 pm

Yes for compression strength, but nothing else.

Just driving at highway speeds, think of all the forces buffeting.

Without a good tensile / shear strong skin+adhesive, everything will fly apart.

Yes super thick glass is overkill, but. . .
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Re: Fiberglass and resin really stick to foam??

Postby saywhatthat » Tue Sep 10, 2019 9:23 pm

had a foam/glass ass ended trailer stop ,car 60+ bent door frame bent tire rim wipe out fenders .To the pod foam deboned 1.5'' by 8'' at impact fixed with can foam. The door frame was bent back to front 1in.
2 layers mat 1 layer 7 oz. woven 1in foam inside 1.5 and 3/4 oz.



=
Il suffit de le faire
D.I.Y Light weight sleeper using D.I.Y rail top components.
viewtopic.php?f=50&t=66751
Build 4.5 by 8' using Trailtop fiberglass Components
http://tnttt.com/viewtopic.php?f=50&t=70729
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Re: Fiberglass and resin really stick to foam??

Postby jimbo69ny » Fri Nov 29, 2019 8:26 pm

If anyone anyone is interested in going with a fiberglass foamie build here are my videos about how I built mine.

https://www.youtube.com/playlist?list=P ... e98uv4rsCT
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