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  #1  
Old 23rd January 2011
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Default Best Adhesive for headliner repair?

I am FINALLY getting in gear and am really going to finish repairing, recovering, and reinstalling the headliner on the 84 8V. I'm just looking for some input on the best adhesive/ glue to use for the job. Suggestions? Any other advice on finishing the job i.e. "oh my god I can't believe I just did that really dumb thing" kinds of advice on how to avoid?
Everything's out, and had been for almost a year I'm just finishing cleaning off the old foam and adhesive now.

Thanks in Advance.
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  #2  
Old 23rd January 2011
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You need an aerosol adhesive for fixing textiles or fabrics like this; http://www.woolies-trim.co.uk/p-1554...-adhesive.aspx
Dan at Paradise Saabs did a great walk-through but I can't find it now.
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Old 23rd January 2011
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I first used a variety of adhesives on cars where the headlined fell down,
with little success. That is until I broke down and picked up some 3M vinyl
top adhesive. The problem with the others is that they can't stand up to
the heat on a hot summer's day with the windows up. If you live in Sitka
or Point Barrow, that's a different matter
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  #4  
Old 23rd January 2011
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Quote:
Originally Posted by peva View Post
You need an aerosol adhesive for fixing textiles or fabrics like this; http://www.woolies-trim.co.uk/p-1554...-adhesive.aspx
Dan at Paradise Saabs did a great walk-through but I can't find it now.
I've got a walk through, it might be the same one.- I copied the text to a word doc, but for some reason can't find the link.
Ok I just pasted it here for others... good enough place as any I guess That one needs it done as well, but I'm not messing with the 4 door. Removing the rear glass scares me.
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Old 23rd January 2011
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Quote:
Originally Posted by krazykat View Post
I first used a variety of adhesives on cars where the headlined fell down,
with little success. That is until I broke down and picked up some 3M vinyl
top adhesive. The problem with the others is that they can't stand up to
the heat on a hot summer's day with the windows up. If you live in Sitka
or Point Barrow, that's a different matter
Is this what you used?

How is it holding up?
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  #6  
Old 23rd January 2011
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What ever you use, get a high temp one. The top can get very hot in the sun. I used the one I linked to and have had no problems.
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Old 23rd January 2011
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This looks like a good bet:
http://www.yourautotrim.com/perhittrimad.html
or this... but a bit pricey:
http://www.secondskinaudio.com/sound...n-adhesive.php
although they say it's more environmentally friendly- I can cough up an extra $10 for that


I may take a crack at the first one Better borrow me a respirator
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Old 23rd January 2011
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The first one looks fine to me.
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Old 23rd January 2011
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I've been through quite a few different adhesives as well, and have not found one yet that comes in an aerosol can which lasts more than a couple years, particularly if you spend any time in heat over 100deg F. I'm planning to try using some contact adhesive, such as you would use on countertops, which I'll apply using a spray gun. I know that it can withstand considerable heat, far more than it would ever experience in a car. I also think it will have greater adhesion than any aerosol product.
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Old 23rd January 2011
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Quote:
Originally Posted by mmoe View Post
I also think it will have greater adhesion than any aerosol product.
What makes you think that contact adhesive out of spray gun is any different than a contact adhesive out of an aerosol. You are going to have to thin it anyway and you end up with the same thing. I've never had any problem with aerosol contact adhesives. Mind you the ones I use are made in the UK not China.
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Old 23rd January 2011
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Quote:
Originally Posted by peva View Post
What makes you think that contact adhesive out of spray gun is any different than a contact adhesive out of an aerosol. You are going to have to thin it anyway and you end up with the same thing. I've never had any problem with aerosol contact adhesives. Mind you the ones I use are made in the UK not China.
They are different and I have used far more of both adhesives that you could possibly imagine in my work over the years. With the contact adhesive I use for laminate work, the adhesive cannot be separated once assembled, at least not without significant damage to the adhered parts or without significant heat (an iron on laminate will allow you to separate it, but otherwise the laminate will usually break). If you used the aerosol adhesive to stick laminate to some substrate, I can guarantee you that you could peel it right off again without damage.

In producing countertops I have used a spray gun to apply the contact adhesive. In fact, it is the preferred way because there are no clumps of excess adhesive as would be produced by a brush or roller. The finished layer of adhesive is exactly the same as it would have been if brushed or rolled, it just takes an extra application or two to get the same build. Also, if you use a good industrial gun with a larger tip, you can shoot some contact adhesive products right out of the can, though I feel they lay better with some thinner.

I used quite a few different aerosol adhesives when I worked in a prototyping shop (we prototyped everything from scale forklifts that actually functioned with electric motors to shampoo bottles at double scale for advertisement photography, plus lots of architectural and government parks work) and none of them worked the same as contact adhesive. They were great products for certain purposes, but lacked the same level of strength.

It is also possible that even contact adhesive won't work well on these particular materials, but until I've tried it I can't say. In a couple months, when the weather is a little warmer, I'll be trying it out and hopefully it will be the last time I ever have to do so. My '89T has never been outside of Seattle in the summer and the headliner has held up fine for almost 2 years now with the aerosol. My suspician is that there just isn't enough heat here to cause it to fail, so if you never left Seattle there would be no need for anything better. My guess is that where you live the climate is also very moderate, much like Seattle. If you found yourself in Las Vegas for a week in the summer (110+ deg F in the shade), you might have a different opinion about the quality of the products you are currently using.
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  #12  
Old 24th January 2011
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+1 on the 3M spray product. Works a treat, well at least for the 6 or 7 years I owned the car (83 t8) after doing the headliner.
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Old 24th January 2011
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Quote:
Originally Posted by SpecialTool View Post
+1 on the 3M spray product. Works a treat, well at least for the 6 or 7 years I owned the car (83 t8) after doing the headliner.
That's what I was trying to say, but, well it all got a bit involved. I think the 3M one is fine too. Give the guy a break. He's only sticking the roof fabric on, not painting the Sistine Chapel ceiling.
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  #14  
Old 24th January 2011
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3M can spray high temp hands down... Permatex makes a nice one for half the price as well and its worth every bit of its weight in gold. cant go wrong with 3M IMHO... follow the instructions on the can to the letter and you got no worries...

I am in Florida, and not many places besides Houston get much hotter than it does here, and we stay hotter longer; I use 3M...
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Old 24th January 2011
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Quote:
Originally Posted by peva View Post
Give the guy a break. He's only sticking the roof fabric on, not painting the Sistine Chapel ceiling.

oooooo... that's a good idea
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  #16  
Old 25th January 2011
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3M high temp spray glue for the win! I did mine over a year ago and it has endured through a 115F summer. No need to get fancy with rollers and stuff, just spray it on, let it tack and attach the headliner material.
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  #17  
Old 25th January 2011
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I've read posts about headliner adhesive for 8 years or so, but never done it. In the US, the strongly preferred adhesive seems to be 3M 90 (yellow) aerosol. Vern

Last edited by vsfoxe; 25th January 2011 at 12:32 AM. Reason: lousy english!
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  #18  
Old 14th February 2011
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Default Finally repairing the headliner...

Finishing any project on this car with 2 small children takes forever. I finally finished repairs to the headliner itself with a bit of fiberglass work. I thought I did a pretty decent job for my first time using the stuff. The headliner was pretty busted up from getting out out of the car. It had gotten fairly wet in a number of key areas and broke apart.

This week I went to measure the rest of my fabric to make sure I had enough, and yup, I was short about 4-6 inches. I'm glad I checked it before getting out the adhesive. More fabric on order+ some sound proofing material for under the carpet. After the headliner I want to yank all the carpet out and see how clean I can get it.

Is it easier to reinstall the headliner with a 2nd set of hands or would another person just physically get in the way? I thought a 2nd pair of hands might be good insurance so another round of breakage doesn't occur.

More pictures to come once I get it covered+ installed.

Last edited by cooper-davis; 5th March 2011 at 09:14 AM.
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  #19  
Old 14th February 2011
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I've done it without a second pair of hands, with no problem. You just have to be organised. Suppose a second pair of hands would help to fit it, as long as they don't get in the car with you.
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Old 14th February 2011
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Quote:
Originally Posted by peva View Post
I've done it without a second pair of hands, with no problem. You just have to be organised. Suppose a second pair of hands would help to fit it, as long as they don't get in the car with you.
That's what I was thinking... organized as in having all the hardware/ things removed needed before trying to fit it back in + then having the pieces ready to bolt back in that hold it into place? The one thing I haven't thought about yet is what to do with the sun/ moon roof. Most of the plastic strips that held the fabric in place (fabric runs across the bottom then up over the edges + fastened to top) have disintegrated. I figured that it was bad to just simply try to adhere the fabric to the bare metal- ie it'll look funny and get to hot? Anyhow it's easier to fiddle with than the whole liner
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