Home » Public Forums » GMCnet » [GMCnet] Headliner - Thickness
| [GMCnet] Headliner - Thickness [message #277233] |
Mon, 04 May 2015 08:20  |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
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What is the maximum headliner thickness people have been using?
I was shooting for a 4mm Komacel but got the information that only 6mm
(in 48" x 96") or 10mm (in 48" x 120") is available.
I prefer Kömacel over Kömatex due to the additional insulation.
Any recommendations?
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Headliner - Thickness [message #277235 is a reply to message #277233] |
Mon, 04 May 2015 09:44  |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
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I used the 6mm Komatex for my headliner. I backed the material with microform insulation. Get the big sheets, get less waste. Plans cuts carefully. Cut with a power tool. Knife or razor blades will not cut it evenly.
Do not try to duplicate the original size of the roof panels. Measure the distance fron rib to rib and cut accordingly. If you get the big panels you might be able to do it with 3 sheets. A 74" panel length should snap into the rails on either side and snap to the correct curve of the original ceiling.
Have fun. It really looks nice when finished.
Tom, MS II
On the way home from Bean Station
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Headliner - Thickness [message #277238 is a reply to message #277235] |
Mon, 04 May 2015 10:07 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
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Hello Thomas,
thanks for the note. Especially the info on the 74" panel length. That
means I *could* use the 6mm Kömacel.
How thick is the microform insulation you used?
> On the way home from Bean Station
Enjoy Bean Station
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Headliner - Thickness [message #277296 is a reply to message #277270] |
Mon, 04 May 2015 23:48 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Hello Rob,
thank you Mr Pedantic Mechanic from Down Under. I love how you guys
really have a perfect answer to whatever question I throw at you :D
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Headliner - Thickness [message #277389 is a reply to message #277233] |
Wed, 06 May 2015 12:58 |
Luvn737s
Messages: 1106
Registered: June 2007
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Is there any structure behind the headliner to attach the headliner to if it is sagging, especially where the cockpit piece meets the cabin headliner? My guess is that a plastic headliner would only sag because the coach itself has spread a little wider and a slightly larger headliner is required to re-establish the proper bowing.
Randy
1973 26' Painted Desert
Ahwatukee (Phoenix) AZ
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| Re: [GMCnet] Headliner - Thickness [message #277394 is a reply to message #277373] |
Wed, 06 May 2015 15:37 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Larry,
I stripped all the interior panels out of the parts Avion I had and made patterns from them to use when I re-line the interiors of
The Blue Streak and Double Trouble.
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Larry
This is the stuff I used.
http://www.gmcmhphotos.com/photos/g4446-new-ceilings-or-headliner.html
5/16" thick with an "R" value of R3. Just fits in the ceiling side rails. Measure carefully from rail to rail and add 1". Place
the cut piece in both side rails, and push up for a "pop in" placement. If it won't pop, cut a little off and try again until you
get just the right combination that pops it into place and also holds it tight to the existing ceiling. I glued insulation the back
side, and "Hull Liner" (a product used in the boating industry) to the exposed side to assist in not just insulation, but also sound
control. JWID.
--
Larry
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Headliner - Thickness [message #277396 is a reply to message #277394] |
Wed, 06 May 2015 16:06 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Rob,
> I stripped all the interior panels out of the parts Avion I had and made patterns from them to use when I re-line the interiors of The Blue Streak and Double Trouble.
>
so you are saying, that the headliner size was identical between the
three coaches?
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Headliner - Thickness [message #277398 is a reply to message #277396] |
Wed, 06 May 2015 16:23 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Peer,
Avions were only built one year - 1975. They came in 23' and 26' lengths. In addition to the three I own I have seen four more 26'
models and the interior layout and equipment placement was identical therefore I assumed that the ceiling and wall panels would be
the same.
I would not assume that the patterns I made for my Avion would fit any other coaches, what I am suggesting is that when one wishes
to re-line their GMC they remove the OEM panels carefully and copy them.
I have never seen a 23' Avion.
Regards,
Rob M.
-----Original Message-----
From: Peer Oliver Schmidt
Rob,
> I stripped all the interior panels out of the parts Avion I had and made patterns from them to use when I re-line the interiors of
The Blue Streak and Double Trouble.
>
so you are saying, that the headliner size was identical between the three coaches?
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Headliner - Thickness [message #277404 is a reply to message #277398] |
Wed, 06 May 2015 17:44 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Based on my headliner job on my Avion, I would gather the material that I wished to use. Remove the old headliner and measure the placement of the roof ribs in your coach. Because of the width of the material I used and the placement of the roof ribs, I decided not cut to old pattern, but able to cut to actual widths, based on my coach.
Yes, the widths are not equal, but the finished product looks great. CFO likes it a lot.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Headliner - Thickness [message #277406 is a reply to message #277404] |
Wed, 06 May 2015 18:00 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Tom,
I think I understand what you've noted below, however, I want to make sure.
I've added some text below in caps, please review my additions and verify I've got it right.
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Thomas Phipps
Based on my headliner job on my Avion, I would gather the material that I wished to use. Remove the old headliner and measure the
placement of the roof ribs in your coach.
I WANTED THE JOINS IN THE HEADLINER TO ALIGN WITH THE ROOF CROSS RIBS.
Because of the width of the material I used and the placement of the roof ribs, I decided not cut to old pattern, but able to cut to
actual widths, based on my coach.
SO THE JOINS IN THE HEADLINER ALIGNED WITH THE ROOF CROSS RIBS.
Yes, the widths are not equal, but the finished product looks great. CFO likes it a lot.
Tom, MS II
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Headliner - Thickness [message #277418 is a reply to message #277406] |
Wed, 06 May 2015 20:39 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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All joints were backed by roof ribs (except one). I used a plastic product that is normally used (here in the South) for screening in porches. There is a black ribbed piece that I attached to the ribs and then there is a finishing piece that attaches to the backing piece. Finishing piece is available is several colors; white, tan, and gray. I used white, to match the headliner. These both hold the headliner up and cover up the joining edges for a clean look. The black piece needs to have the ribbing on the piece reduced to allow for more area to catch the headliner. The plastic pieces cost about $3 each and I used 5 pairs.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Headliner - Thickness [message #277426 is a reply to message #277418] |
Wed, 06 May 2015 21:54 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Tom,
Got it, thanks!
Regards,
Rob M.
-----Original Message-----
From: Thomas Phipps
All joints were backed by roof ribs (except one). I used a plastic product that is normally used (here in the South) for screening
in porches. There is a black ribbed piece that I attached to the ribs and then there is a finishing piece that attaches to the
backing piece. Finishing piece is available is several colors; white, tan, and gray. I used white, to match the headliner. These
both hold the headliner up and cover up the joining edges for a clean look. The black piece needs to have the ribbing on the piece
reduced to allow for more area to catch the headliner. The plastic pieces cost about $3 each and I used 5 pairs.
Tom, MS II
--
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Headliner - Thickness [message #277432 is a reply to message #277398] |
Thu, 07 May 2015 04:07 |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Rob,
> Avions were only built one year - 1975. They came in 23' and 26' lengths. In addition to the three I own I have seen four more 26' models and the interior layout and equipment placement was identical therefore I assumed that the ceiling and wall panels would be the same.
>
> I would not assume that the patterns I made for my Avion would fit any other coaches, what I am suggesting is that when one wishes to re-line their GMC they remove the OEM panels carefully and copy them.
From what I gathered in the past, each coach was different in terms of
width, regardless of the outfit. And from your post I understand, that
your 3 coaches were all identical when the new headliner were added.
I wonder if one could prefab a larger run of headliner and wall
coverings, or if the coaches are too different due to their different
usages and age.
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
_______________________________________________
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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