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May 04, 2012, 12:23 AM
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scottieusa's Avatar
Question

Welders glue


So I'm about to build my first 3D foamie. The instructions call for welders glue so I went to my LHS and they have never heard of welders glue. Can I pick up this glue somewhere else? Home Depot? Is there anything comparable? I want to get started on the build tomorrow.

Thanks
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May 04, 2012, 01:13 AM
Registered User
HELModels's Avatar
I just read a post in the crash area and it was mentioned as a way to fix a foamie. I have a hunch it's a good foamie glue, but I've never seen it.

I'd like to know what it is too.
May 04, 2012, 01:18 AM
Registered User
loctite stick and seal indoor, no fumes, outdoor, and ultra same stuff I just found it, a fellow foamie guy told me about it
May 04, 2012, 01:19 AM
Dude, I do fly all day long!
rcalldaylong's Avatar
Quote:
Originally Posted by scottieusa
So I'm about to build my first 3D foamie. The instructions call for welders glue so I went to my LHS and they have never heard of welders glue. Can I pick up this glue somewhere else? Home Depot? Is there anything comparable? I want to get started on the build tomorrow.

Thanks
I'm surprise your LHS couldn't recommend something else- They must of carried something that could be used on foamies. Anyways, the instructions are probably referring to something like this:

http://www.amazon.com/Welder-Contact.../dp/B003E6ZPWA

my personal favorite was the GWS contact glue, but I can't find it anymore. I now get similar stuff from hobbyking. I've also used other stuff like the elmer's contact cement which works well too. Anyhow if you are short on time, check out that amazon link...folks are saying you can get it at wallyworld or other home improvement places. i haven't used it personally so I can't say how it works.
May 04, 2012, 01:30 AM
Hoarding balsa is a sickness
Welder glue is used on EPP foam, as it will dissolve other types of foam. Search YouTube for welders glue for tips on how to use it, or go to 3D hobby shop ( 3DHS) and look for the series of videos on building the 33 inch EPP foamy. The name of the glue is "WELDER"...there is no "S" on the end. It can be found online, or from Lowes Hardware stores, but here is where it gets bizarr....The glue is made in Bellingham, Washington and carries the item number on the card 730657. When the Lowe's store enters that number in their computer, nothing comes up. Lowe's has the glue under item number 74526 and it is a red tube of glue with black lettering and is sold in a 2 pack blister pack. Hope this helps.
Jan 07, 2014, 02:02 PM
Registered User
keither's Avatar
Welder dissolves Depron foam! Guess how I know. Building my Slowboat float plane; Is Foam cure glue from BSI Waterproof?
Jan 07, 2014, 02:08 PM
KJ4WFG
Lowe's carried Welder for a long time but discontinued it several months ago. It's easy to find on line. Alternatives that work equally well include UHU Por frequently available in craft stores and also on line, and Beacon Foam-Tac, harder to find but it works well. Bob Smith Industries also has out a line of EPP-safe adhesive. No experience with it, but BSI is always a high-confidence bet. Here's a link: http://www.bsi-inc.com/Pages/hobby/foamcure.html
Jan 07, 2014, 03:00 PM
K_B
K_B
1D Flyer
RC Plane Builder carries both Welder and Foam-Tac, but that isn't that helpful if you're itching to build.

http://www.rcplanebuilder.com/tapes-...kqi7hgl4kkl2u4
Jan 07, 2014, 10:27 PM
Hoarding balsa is a sickness
Having built several planes now with the NEW Foam Tac, I find it is better than Welder....pricey, but better
Jan 08, 2014, 05:33 AM
RIP Azarr - "Old age is not for sissies"
Azarr's Avatar
Another alternative to Homax Professional Welder (the full name although we call it "welders") is Beacon Quick Grip sold at Walmart among other places.

Azarr
Jan 08, 2014, 05:34 AM
Registered User
stemo99's Avatar
This BSI flexible works as well if not better than foam tac which besides being very pricey I have found to have a very short shelf life once opened. Unfortunately out of stock but Headsup usually replenishes his stock quickly.
http://www.headsuphobby.com/Flexible-Foam-Glue_c276.htm
Jan 08, 2014, 07:59 AM
Registered User
Quote:
Originally Posted by maxxnut
Having built several planes now with the NEW Foam Tac, I find it is better than Welder....pricey, but better
And easier to find.
Don
Jan 08, 2014, 08:18 AM
yank and bank!!
edited because I'm grumpy...

I like gorilla glue in a lot of ways.... only thing I really hate is how much harder it is to sand than the foam itself. If you're building up several layers of foam to make a shape by carving and sanding, any GG at the new surface is much harder to sand than the foam and that makes it tough to shape...
Last edited by failboat; Feb 13, 2014 at 11:17 AM.
Jan 08, 2014, 09:41 AM
Registered User
Quote:
Originally Posted by failboat
gorilla glue
Good, strong stuff for sure. You need to pay a LOT of attention to it because of the tripling that it does. I guess if you sit and wipe the excess a few times it will not be so bad, but the surface will not be all that pristine.
Don
Jan 08, 2014, 10:55 AM
yank and bank!!
Early on I glued a piece of DT foam to a piece of ply and left it to dry..... when I tried to separate the pieces, the foam ripped to shreds


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