how does it work?

Canvas covered foamies (Thrifty Alternatives...)

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how does it work?

Postby gill2161 » Tue Jan 14, 2020 7:26 am

i have been looking at posts where foam walls are covered with canvas and i saw a few that used titebond 2 wood glue to attach the canvas to the foam board but wont you need something over that like the stuff you use for fiberglass to make it solid?
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Re: how does it work?

Postby Pmullen503 » Tue Jan 14, 2020 9:12 am

After covering, the canvas is painted with several coats of house paint. That seals the canvas and makes it waterproof. The skin is not hard which is a good thing; it's not brittle. Small dents are self healing in the sun.
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Re: how does it work?

Postby John61CT » Tue Jan 14, 2020 11:01 am

Like taking a tour of NASA and asking if it really is possible for humans to go to the moon and back.

What you're asking has been answered in thousands of posts here, exactly what this sub forum is all about.

I suggest you read more, starting with the oldest / longest threads.
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Re: how does it work?

Postby Postal_Dave » Tue Jan 14, 2020 2:37 pm

fiberglass uses epoxy to make it solid. With Poor Man's Fiberglass, aka PMF, we're not looking to make it solid. The foam is the solid part. The glue, canvas, and paint make is stronger and more rigid. We usually do put the foam inside a wooden frame so we can attach one piece of foam to another by screws and glue.

I always suggest that before you go out and buy a trailer and hundreds of dollars in materials, you start small and do some experiments with foam and canvas to find a combination that you can work with.

Have fun
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Re: how does it work?

Postby greygoos » Tue Jan 14, 2020 10:19 pm

John61CT wrote:Like taking a tour of NASA and asking if it really is possible for humans to go to the moon and back.

What you're asking has been answered in thousands of posts here, exactly what this sub forum is all about.

I suggest you read more, starting with the oldest / longest threads.

Be nice to other forum members.
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Re: how does it work?

Postby tony.latham » Wed Jan 15, 2020 1:32 pm

John61CT wrote:Like taking a tour of NASA and asking if it really is possible for humans to go to the moon and back.

What you're asking has been answered in thousands of posts here, exactly what this sub forum is all about.

I suggest you read more, starting with the oldest / longest threads.


John:

I didn't respond to this post because I don't have any personal knowledge of PFM. He's asking for help.

:thinking:

T
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Re: how does it work?

Postby John61CT » Wed Jan 15, 2020 1:37 pm

OK, I apologize for the snark but stand by the advice.
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Re: how does it work?

Postby GPW » Thu Jan 16, 2020 6:36 am

Gil , Welcome to the Foamie Forum !!! What you suggest , works GREAT !!! It’s been many years now and all is well proven …

From experience , PMF ( Canvas over Foam) works great adhered with T2 or similar glue .. Some Acrylic primers also work … although I believe the best of them (Glidden Gripper) is not the same ... best check here for latest product comparisons ;)

Just be assured , whatever you do , there will be Plenty of Help available here !!! :D Any question is a good question !!!
There’s no place like Foam !
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Re: how does it work?

Postby gill2161 » Mon Jan 27, 2020 7:26 am

well i have been doing a lot of research and i think i might found a light weight solution for the trailer and design. trailer made from PVC still need to find data on how strong this might be and total weight. like to hear all of your input and expertise about this plan.
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Re: how does it work?

Postby RJ Howell » Mon Jan 27, 2020 7:47 am

I'll let an ME state the structural values of PVC. What I will say is I build many things around the yard with PVC (small greenhouse, archery stands, solar panel stand, wood coverings, etc...). None which tend to stand up more than 3-4yrs no matter how I coat them. Nature just gets the best of them. The side of running down the road with it.. Let me tell you about my commercial trailer and the 2" x 4" x .01 tube steel frame no only bent, but fractured from hitting a shallow pothole doing 50 mph on a freeway. The stress placed on the frame is far more than you'd think. My opinion is the PVC would not hold up.
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Re: how does it work?

Postby GPW » Mon Jan 27, 2020 1:14 pm

PVC trailer ??? Now that’s a valid question , and if you ask around here most likely the answer will be NO !!! ( but don’t let us stop you from experimenting !!! ) There are traditionally No Rules around the Foamie Forum , just lots of "Suggestions” … ;)

Ps. They long told me a foam trailer wouldn’t work at all … :R

And if you must , I believe the Gray PVC is STRONGER … Good Luck !!! Send pictures !!! :pictures:
There’s no place like Foam !
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