bonding FG to MDF, resin or glue?

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danieljaluise

Copper - Posts: 125

Joined: January 19, 2003

Location: United States

Posted: May 20, 2005 at 12:07 PM / IP Logged

what is better to bond/seal a fiberglass mold to a piece of MDF? I thought that I would use liquid nails between the two surfaces, then press them together and use fiberglass on the outside seam. Is this a good idea, or should just stick strictly to fiberglass?

danieljaluise

Copper - Posts: 125

Joined: January 19, 2003

Location: United States

Posted: May 20, 2005 at 3:16 PM / IP Logged

please someone reply because I'm doing this tonight and I dont want to pick the wrong option and F up(again).! haha

DukeDuke

Silver - Posts: 206

Joined: November 01, 2003

Location: United States

Posted: May 20, 2005 at 3:43 PM / IP Logged

IMO I would just resin the MDF and then put the FG piece on and if you can wrap some glass around it to give it a for sure hold, glue might work, but you would have to have a specal glue, I dont think wood glue would do very well... good luck man, and send us some pics of... whatever you are doing.

Duke Duke

danieljaluise

Copper - Posts: 125

Joined: January 19, 2003

Location: United States

Posted: May 20, 2005 at 4:54 PM / IP Logged

thanks duke. Its a spare tire enclosure by the way.

beatjunkie

Member - Posts: 33

Joined: September 26, 2004

Location: United States

Posted: May 22, 2005 at 9:25 PM / IP Logged

no! the proper this to use is bondo...trust me

oonikfraleyoo

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Joined: January 04, 2005

Location: United States

Posted: May 23, 2005 at 9:22 AM / IP Logged

Do What?? DO NOT USE BONDO!! Bondo is in no way the right thing to use. Dude, what are you talking about?

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Mvap

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Joined: May 07, 2005

Location: United States

Posted: May 25, 2005 at 2:09 AM / IP Logged

oonikfraleyoo

Do you have a jeep cherokee truck????

Is so FG projects have you done because I have on and need Ideas.

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davedyer79

Copper - Posts: 178

Joined: February 18, 2004

Location: United States

Posted: May 25, 2005 at 8:27 AM / IP Logged

Yes, please don't use bondo, it will crack out within the first minutes of hitting. Bondo is a body filler, applied to smooth bumpy, crinkled surfaces, and should only be applied in very thin coats, especially on a sub box. Use resin. Soak it to the MDF and to the mold, and if you can add a layer or 2 or mat in the seam, do that. Good luck.

davedyer79

abovestock

Copper - Posts: 247

Joined: June 08, 2005

Location: United States

Posted: June 17, 2005 at 3:27 AM / IP Logged

Super glue it places that it touches to hold it, then resin and thin mat such as 1/2 ounce or even 3/4.post some pics and good luck.

us_test

Copper - Posts: 200

Joined: May 21, 2005

Location: United States

Posted: June 17, 2005 at 8:10 AM / IP Logged

Hit it with the MM (MiracleMix) (I just did this las night). 1 to 1 parts bondo and resin mix + small amout on hardener that comes with the bondo. Cures in about 3 hours and it holds like hell. Finish is glass smooth and it self levels when you paint (the mix you make will be like mustard in consitency). I would highly recommend this as a finishing coat for ANY FG PROJECT you will save a ton of time in sanding (you'll do maybe 10% of the sanding it would take if you did not use it).

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