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Glue for MDF and enclosures

Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=31338
Printed Date: May 14, 2024 at 1:35 AM


Topic: Glue for MDF and enclosures

Posted By: djdaveoc
Subject: Glue for MDF and enclosures
Date Posted: April 30, 2004 at 3:46 PM

I'm building some amp racks and other structures similar to what Alpine did in a couple of their demo vehicles.  What glue should I use to glue the pieces of particle board to each other and to the metal of the truck frame?  I plan to glue pieces of MDF in certain places to make a frame and then stretch fleece over it and staple that in place so I can resin it, Maraglass it and sand, then apply Rage Gold and sand before I remove it from the truck and have it professionally painted.  Alpine refers to their glue as "Super Glue".  But if they're talking about the name brand stuff, it's like Krazy glue I think.  It comes in two tiny tubes for about $3 and I'd need about $500 of the stuff to finish everything I'm doing.  Should I buy a hot glue gun and use that?  Or is there some other glue like krazy glue that's incredibly strong, dries fast, and comes in large quantities for not too much dinero?

Please help a noobie out!!! Thanks :)



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}:) Plan, Research, Do



Replies:

Posted By: pjon
Date Posted: April 30, 2004 at 6:33 PM
wood to wood: i would use liquid nail, its in a tube, you would need a caulking gun and you can both of those at lowes, home depot, etc.. as to glueing it to the metal don't know, oh and maybe you should add some layers of fiberglass mat in there somewhere after the fleece. -justin

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ummm.. smells like styrene




Posted By: audiomechanic
Date Posted: April 30, 2004 at 10:03 PM
the stuff they use is a 2 part glue that you can get at hobby shops. it is a cyroacrolate (spelled that wrong) or CA glue. it is about 6 or 7 dollars for the glue and about the same for the activator. there are different types just get the gap filling stuff. it should work best all around for what you are gonna do with it. i use it daily and can do a average install with about 1 or 2 bottles of glue and activator.



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Posted By: djdaveoc
Date Posted: May 01, 2004 at 12:12 AM
Hey audiomechanic, do you know the brand name of the two part glue you're talking about?  Also, is it used only to glue the MDF to the metal, or to the other pieces of MDF too?  Thanks.

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posted_image Plan, Research, Do




Posted By: audiomechanic
Date Posted: May 01, 2004 at 10:57 AM
it works well for attaching most anything to anything. i use it alot on plastic, MDF, and fiberglass. it works best on more porus materials, but if it is not a permanent hold it will work on metal.

the kinds i know of are cyberbond, select products sells some, loctite has some, bsi adhesives (insta cure), hot stuff, and many others. i think you can get it at most electronics places, hobby shops, and some home improvement stores.

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Posted By: One_Evil_Necro
Date Posted: May 01, 2004 at 3:50 PM

Jet, Zap,Hot stuff are another couple of brands of cyanoacrylate glue.  Any of these works great, I prefer the gel type versions.

~Jay





Posted By: TAudio
Date Posted: May 03, 2004 at 10:44 AM
I think there is a kind of Liquid Nails that is made for that type of application. I once used some kind of specialty L.N. to stick dry wall to brick. Go check it out.

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If quiters never win, and winners never quit, who the heck came up with the idea that you should quit while your ahead?




Posted By: TAudio
Date Posted: May 03, 2004 at 10:46 AM
another quick thought. silicone caulk would probably get the job done. I mounted an amp rack to the metal floor pan of my friends jeep with the clear stuff and we had a hell of a time getting it out. just sand with coarse (40 grit) sand paper beforehand.

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If quiters never win, and winners never quit, who the heck came up with the idea that you should quit while your ahead?




Posted By: beyondamfm
Date Posted: May 03, 2004 at 9:16 PM

I have used heavy duty liquid nail thatr is the name of it, the trick is the prep work if you try to apply it to smooth painted or bare metal it will not work all that well unless it is in a crack. So just take some sand paper and score the metal bfore you apply and you will be alright.



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The Clear Bra Guy
KCs premiere paint protection guru




Posted By: shaddr3
Date Posted: May 03, 2004 at 10:04 PM
I would use Gorilla Glue.




Posted By: f150on22s
Date Posted: May 04, 2004 at 11:03 AM

There are a lot of things you could use.  Personally I would go with some epoxy.  You can't go wrong.  Once its on, it aint comin off.  But liquid nails would probably do just fine too.





Posted By: djdaveoc
Date Posted: May 06, 2004 at 2:54 PM
Thanks everyone.  I think I'll stick with the liquid nails that is made for MDF and a few other surfaces.  I used it to glue a couple small pieces of MDF to the metal of my truck and it is holding pretty well from what I can see.  It comes out very thick like cake frosting and it's an ugly light brown color, but it seems to have a strong bond.  Since it's so thick, I just applied the glue and set the wood there and pressed hard for 30 seconds or so.  I didn't have to sit there all day and wait for the glue to dry.  It just held the wood in place and was probably completely dry by the next day.  So when I build my amp rack out of 3/4" MDF, I'll use that glue to connect all the pieces and on the part where the amps will rest, I'll use metel brackets to hold a few pieces of the wood together for added strength.  I'm also going to wrap the MDF in fleece and glass it before it's all painted or covered in vinyl or carpet.  I'll probably put a layer of Maraglass over the fleece with resin too so I can form the exact shape I want and add strength.

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posted_image Plan, Research, Do





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