Any headliner experts out there? - Alfa Romeo Bulletin Board & Forums
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post #1 of 12 (permalink) Old 03-21-2019, 09:01 PM Thread Starter
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Any headliner experts out there?

Greetings folks. I'm getting ready to take a stab at installing my headliner. Yes, yes, I know, most will recommend outsourcing it. However, I'm a glutton for punishment so will give it a shot myself. Before I dig in though, I've got a question for the experts.

I've looked at some very helpful write-ups of how some other folks have done it. Many details are similar but I've seen one key difference. Specifically, this relates to the raised section over the back seats. One approach seems to be mounting this directly to the roof, or perhaps on top of some foam/sound deadening glued to the roof. However, another approach is gluing it to the metal retaining ring which also holds the larger section of headliner. Basically, the recessed section would be mounted to the top side of the metal ring, whereas the larger section would be glued onto the bottom side of it.

Curious to know two things:
1. Which of the above methods (if either) is the "correct" way?
2. Why is the raised section a non-perforated material, whereas the balance of the headliner is the perforated snakebite material.

Thanks in advance.

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post #2 of 12 (permalink) Old 03-21-2019, 11:29 PM
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As I recall, the area above the rear seats was glued to the roof, I don't rember if that area had a thin foam lining. To answer the second question it is not perforated because it is glued to the roof, would be unsightly to have adhesive poking through the holes. Just my thoughts.

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post #3 of 12 (permalink) Old 03-22-2019, 03:05 AM
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It may have been glued to the roof but at the time on my resto I was not 100% certain of this as it could have seperated (over the decades) from the roof. I opted to glue mine ....I didn't want the fabric to be loose or floppy over that area.

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post #4 of 12 (permalink) Old 03-22-2019, 07:46 AM
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well my understanding with this is method 2 was done in the factory back then, glueing everything to the metal frame, so I have done it fo years without any trouble aldo make it a bit trickier to mount everything square, both methods are acceptable like the finish is the same on both
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post #5 of 12 (permalink) Old 03-22-2019, 07:52 AM Thread Starter
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Thanks all. Interesting stuff. I had theorized that the raised panel was not perforated to allow gluing to the roof/insulation also. It would seem that if you were just gluing the perimeter to the metal frame it could remain a perf'd material. Hmm. What to do?

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post #6 of 12 (permalink) Old 03-22-2019, 08:18 AM
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I think if the material itself is not glued it will sag, and flutter with wind.

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post #7 of 12 (permalink) Old 03-23-2019, 04:25 AM
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Quote:
Originally Posted by VabeneGTV View Post
I think if the material itself is not glued it will sag, and flutter with wind.
to avoid this I always install a thicker foam in that section
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post #8 of 12 (permalink) Old 04-23-2019, 09:08 AM
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I just had a look at 3 removed GTV head liners and the the plain material all had evidence of glue and foam on them. The foam is deteriorated and missing or turned to powder. Is the glue evidence of pre-glued stick on foam, I can't say. Was the foam glued to the roof, I can't say but on the one late cut off roof that I have to look at with headliner still intact, the recessed area is still taut and is loose from the roof.

Other observations:

-The recessed area is stitched to the rest of the head liner.

-What I believe is a late (2 Ltr) head liner has the Bow Channel heat stitched to the head liner and the rear C-pillar legs also heat stitched to the rest of the unit. The recess is thread stitched.

- The head liner for the Webasto Sliding roof GTVs had no BOWs, no recess and the slider was (at least on mine) also trimmed in snake bite pattern. The slider has a rod through a fabric channel stitched by folding the snake bite fabric to support the central area.


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post #9 of 12 (permalink) Old 04-23-2019, 10:56 AM Thread Starter
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Thanks Ken. I flip flopped on this decision for a while but ultimately decided to glue the vinyl directly to the foam in the recessed area. Part of this was driven by the fact that I'm running a roll bar. If the vinyl adheres to the roof it buys you more clearance than if it is stretched over the rectangular headliner frame. I did a test fit before committing, and ultimately decided that gluing it to the foam (which is in turn glued to the roof) made the most sense.

I chipped away at the project over a couple of weekends but got it complete recently. Getting the tension right around the c-pillars was the most challenging part, but with patience and binder clips it all worked out. I also decided to retrofit some of the earlier courtesy lights from a Giulietta since I won't have a functioning backseat and therefore don't need the standard GTV lights with an integrated pull handle. Apologies in advance to the purists.
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post #10 of 12 (permalink) Old 04-23-2019, 02:26 PM
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Great work Trich, you’re a braver man than me. Well done.

Note that the roll bar might obscure the effectiveness of the courtesy lights?
I installed LED strips under the dash as an internal light source....

1966 Giulia Sprint GT Veloce - slightly modified!
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post #11 of 12 (permalink) Old 04-23-2019, 06:20 PM Thread Starter
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Thanks Sketchl. No, I'm good on the lights. I'm tall so have pushed the roll bar back as far as possible so I don't have to worry about whacking my noggin on it. It clears the courtesy lights by a couple of inches. Good thought though. Curious to see your LED lights too.

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post #12 of 12 (permalink) Old 04-24-2019, 02:47 AM
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Quote:
Originally Posted by Trich View Post
........ Curious to see your LED lights too.
I thought you’d have the roll bar covered

Here’s my LED strip interior look........it’s good i’m not a junkie!!!!
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