Forums » Grassroots Motorsports » Interior Adhesives
  • ThePhranc

    July 25, 2011 7:34 p.m. ThePhranc None

    Good day.

    I recently spent many many hours covering all my interior parts in black and blue vinyl marine fabric. Used 3M 77, 80, 90 and even DAP contact cement. The DAP worked best for about 3 days until the heat wave hit the Mid-Atlantic. Now it is bubbling badly and starting to come apart.

    Do any of you know of a n adhesive I can use that will stand up to the heat? The 3M products did not. I would really like to complete this project and make it last. The gaps between he panels are so tight and the feel of everything is just amazing. It also cut down on the squeaks and rattles of a 16 year old car along with outside noise. Putting the L back in my LS has been a catastrophe so far the S not so much. :)

  • mad_machine

    July 25, 2011 9:50 p.m. mad_machine SuperDork

    I don;t know about vinyl.. but I used Loctite spray adhesive on the headliner of my BMW.. going on 5 years now without a single bubble

    Be careful of your words, for someone will agree with them. Be careful of your conduct, for someone will imitate it. -Leih Tsu

  • FlightService

    July 25, 2011 9:56 p.m. FlightService HalfDork

    We used Sika at Faurecia for BMW interiors switched over from some company I can't remember (good support there eh?)

    Water based, spray application, heat dehydrated then heat deactivated. Good stuff.

    Passed 30 years durability test where the other did not.

    If you knew what you were doing, I wouldn't be here.

  • KATYB

    July 25, 2011 11:10 p.m. KATYB HalfDork

    i just used 3m super 77 on my headliner and cept for one small spot it has held perfect in our 110 degree heat.

    I'm sick of you men telling us that women are bad drivers. How many of you can do 90mph in the fast lane of a motorway whilst putting on mascara?

  • Raze

    July 26, 2011 6:20 a.m. Raze Dork

    3M 90 is amazing if you follow the directions exactly, if not nothing works well. This means you have to spray both sides twice, allow them to start drying 2-5 minutes depending on ambient temp and get really tacky, then you get 1-2 shots to line it up and get it stuck. It will not come undone once its set, heat or no heat as it has excellent heat resistance. I fixed the bows and convertible top on my Fiat with this stuff and in the Georgia sun + 95F days it's no problem...

    Here's the spec/directions.

  • ThePhranc

    July 26, 2011 6:46 a.m. ThePhranc New Reader

    After some thinking I believe my issue may be that the vinyl is acting as a seal and not allowing proper outgassing so it builds up under the vinyl and creating pockets.

    I'll be looking into some chemical catalyst adhesives ( 2 part epoxies). I have something buy a company called Plexus at work but it would cost thousands of dollars to do.

    Luckily I can peel up the vinyl and reuse it after a quick bath in our adhesive remover.

    Thanks for the input guys.

  • wlkelley3

    July 27, 2011 9:02 p.m. wlkelley3 Dork

    Friend of mine that makes car interiors taught me to use Weldwood Contact Cement. There used to be better stuff readily available but was taken of the market. He's used this for a couple years now and haven't had any issues. I used it on my Opel GT and haven't had any issues. Available at your local hdlowes in the glue aisle.
    The secret is to get a good base of contact cement down on both pieces, let it dry and apply more, wait till tacky then stick them together.

  • sobe_death

    July 29, 2011 9:54 a.m. sobe_death Reader

    wlkelley3 wrote: Friend of mine that makes car interiors taught me to use Weldwood Contact Cement. There used to be better stuff readily available but was taken of the market. He's used this for a couple years now and haven't had any issues. I used it on my Opel GT and haven't had any issues. Available at your local hdlowes in the glue aisle. The secret is to get a good base of contact cement down on both pieces, let it dry and apply more, wait till tacky then stick them together.

    Don't you have to spray the Weldwood to get good coverage before it tacks?

  • wlkelley3

    July 29, 2011 11:24 a.m. wlkelley3 Dork

    sobe_death wrote:
    wlkelley3 wrote: Friend of mine that makes car interiors taught me to use Weldwood Contact Cement. There used to be better stuff readily available but was taken of the market. He's used this for a couple years now and haven't had any issues. I used it on my Opel GT and haven't had any issues. Available at your local hdlowes in the glue aisle. The secret is to get a good base of contact cement down on both pieces, let it dry and apply more, wait till tacky then stick them together.

    Don't you have to spray the Weldwood to get good coverage before it tacks?

    To thick out of the can for that plus we don't have that capability. Besides we don't do it often enough to justify having that setup. We use a disposable brushes and take our time when we do it. Haven't had any issues so far. we buy it in small cans because the glue will start to dry out in the can after we open it.

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