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Home » Public Forums » GMCnet » Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ?
Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325577] Mon, 30 October 2017 17:52 Go to next message
Dutch Marc is currently offline  Dutch Marc   United States
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Registered: March 2017
Location: Full TIme Nomad
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Hi everyone, Replace my inside wires & outside front roof leds with LED's

What is best to use to seal the metal & inside ? r ( Dicor or Black Silicone ) ?

I have used both and like the black silicon look, some1 told me black silicon is a great options since it's also has a high heat resistant?

Thanks for all input.


1973 26' Canyon Land (Mello Yello) (TZE063v101302) Full Time GMC Nomad ('98 NL 2 USA)
Re: Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325596 is a reply to message #325577] Tue, 31 October 2017 06:46 Go to previous messageGo to next message
Chris Tyler is currently offline  Chris Tyler   United States
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Location: Odessa FL
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Senior Member
Silicone doesn't hold up well especially on the roof. RTV for gaskets [like permatex ultra black ] will fare better- they are heat resistant
With that, let it set up and then cut the bead to frim to give a more finished appearance


For block sealants I like Vulkem bu tit takes a long time to set


76 Glenbrook
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325598 is a reply to message #325596] Tue, 31 October 2017 07:56 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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G'day,

Read this: http://gmcws.org/blog/?p=1827

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808



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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
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325600 is a reply to message #325598] Tue, 31 October 2017 09:39 Go to previous messageGo to next message
powerjon is currently offline  powerjon   United States
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Registered: January 2004
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Rob,
How does one print out this document?

JR
> On Oct 31, 2017, at 8:56 AM, Rob Mueller wrote:
>
> G'day,
>
> Read this: http://gmcws.org/blog/?p=1827
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org


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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325602 is a reply to message #325598] Tue, 31 October 2017 11:02 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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Location: Sydney, Australia
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I downloaded it and printed it.


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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
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325606 is a reply to message #325602] Tue, 31 October 2017 12:23 Go to previous messageGo to next message
Keith V is currently offline  Keith V   United States
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It says Silicone is UV resistant. My experience is it turns to goo after a while if exposed to UV.

The goo does still seal tho.

________________________________
From: Gmclist on behalf of 'Rob Mueller'
Sent: Tuesday, October 31, 2017 11:02:32 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ?

I downloaded it and printed it.


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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325607 is a reply to message #325606] Tue, 31 October 2017 12:30 Go to previous messageGo to next message
powerjon is currently offline  powerjon   United States
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Thanks All.
> On Oct 31, 2017, at 1:23 PM, Keith V wrote:
>
> It says Silicone is UV resistant. My experience is it turns to goo after a while if exposed to UV.
>
> The goo does still seal tho.
>
> ________________________________
> From: Gmclist on behalf of 'Rob Mueller'
> Sent: Tuesday, October 31, 2017 11:02:32 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ?
>
> I downloaded it and printed it.
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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> _______________________________________________
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
Re: Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325608 is a reply to message #325577] Tue, 31 October 2017 12:59 Go to previous messageGo to next message
Dutch Marc is currently offline  Dutch Marc   United States
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Hi Guys, Great info. Thanks

I did check the 28 page doc, now a lot more about silicon Smile

This is the product that I was thinking about using... Resistance RTV gasket maker ...

http://www.autozone.com/sealants-glues-adhesives-and-tape/rtv-adhesive/permatex-rtv-silicone-gasket-maker/554295_0_0

Tried getting the Dicor Black, but no luck finding this around LA. Hoping this will do as good of a job ...


1973 26' Canyon Land (Mello Yello) (TZE063v101302) Full Time GMC Nomad ('98 NL 2 USA)
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325609 is a reply to message #325598] Tue, 31 October 2017 13:24 Go to previous messageGo to next message
Matt Colie is currently offline  Matt Colie   United States
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USAussie wrote on Tue, 31 October 2017 08:56
G'day,

Read this: http://gmcws.org/blog/?p=1827

Regards,
Rob M.

Thanks Rob,

That is a very good walk though.
I like its specifics.
There are now available products that will remove either silicone or polyurethane materials. They are not skin friendly.

I wonder if he explained the difference between the caulking guns on the last page.
As it happens I know (only after decades of dealing with 4000, 4200 and 5200), so I will try to make a clear answer.
Of the two, the one is stepless and can back off with the release of the grip.
The one under the circle/strike is the ratchet type. It will click along one step at a time. When the grip is released, it may not let the pressure off the tube.
The cheap ones are often available for 2~3$. The good ones are seldom less than 10$.

Matt



Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325610 is a reply to message #325609] Tue, 31 October 2017 13:44 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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Location: Sydney, Australia
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Matt,

That presentation was given at the Coos Bay Rally in 2013, I can't remember what I did yesterday let alone what happened four years
ago. As far as the gun goes you've covered it well.

As far as removers go see below.

Also Steve Southwood found some stuff but once again I can't remember what it was!

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org On Behalf of John Wright
Sent: Sunday, December 30, 2012 8:18 PM
To: GMC Net
Subject: [GMCnet] Caulk & Silicone Remover

This stuff was talked about a year ago here on the net.

See picture: http://www.gmcmhphotos.com/photos/general-pictures/p46958-silicone-remover.html

I got this at Lowes about a year ago but never used it. Had vent fixture that had white silicone at the joints. Sprayed the stuff
on as per directions and the junk came off as advertised. Good Stuff!

JR Wright
78 Buskirk Stretch
Michigan


-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Matt Colie
Sent: Tuesday, October 31, 2017 1:24 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ?

Thanks Rob,

That is a very good walk though. I like its specifics.

There are now available products that will remove either silicone or polyurethane materials. They are not skin friendly.

I wonder if he explained the difference between the caulking guns on the last page.
As it happens I know (only after decades of dealing with 4000, 4200 and 5200), so I will try to make a clear answer.
Of the two, the one is stepless and can back off with the release of the grip.
The one under the circle/strike is the ratchet type. It will click along one step at a time. When the grip is released, it may not
let the pressure
off the tube.
The cheap ones are often available for 2~3$. The good ones are seldom less than 10$.

Matt


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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
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325618 is a reply to message #325610] Tue, 31 October 2017 18:25 Go to previous messageGo to next message
GMC.LES is currently offline  GMC.LES   United States
Messages: 505
Registered: April 2014
Karma: -2
Senior Member
In the turbine engine overhaul shop where I work, silicone RTV sealant and silicone filler material is removed simply by soaking in kerosene. The trick is to keep it wet. Removal time depends on thickness, and could take up to 48 hrs to remove on extra thick applications. Best method is to scrape off what you can and then use a chemical stripper to do the rest. Thin silicone residue only takes a few hours to remove with stripper.

Les Burt
Montreal
'75 Eleganza 26'


> On Oct 31, 2017, at 2:44 PM, Rob Mueller wrote:
>
> Matt,
>
> That presentation was given at the Coos Bay Rally in 2013, I can't remember what I did yesterday let alone what happened four years
> ago. As far as the gun goes you've covered it well.
>
> As far as removers go see below.
>
> Also Steve Southwood found some stuff but once again I can't remember what it was!
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org On Behalf of John Wright
> Sent: Sunday, December 30, 2012 8:18 PM
> To: GMC Net
> Subject: [GMCnet] Caulk & Silicone Remover
>
> This stuff was talked about a year ago here on the net.
>
> See picture: http://www.gmcmhphotos.com/photos/general-pictures/p46958-silicone-remover.html
>
> I got this at Lowes about a year ago but never used it. Had vent fixture that had white silicone at the joints. Sprayed the stuff
> on as per directions and the junk came off as advertised. Good Stuff!
>
> JR Wright
> 78 Buskirk Stretch
> Michigan
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Matt Colie
> Sent: Tuesday, October 31, 2017 1:24 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ?
>
> Thanks Rob,
>
> That is a very good walk though. I like its specifics.
>
> There are now available products that will remove either silicone or polyurethane materials. They are not skin friendly.
>
> I wonder if he explained the difference between the caulking guns on the last page.
> As it happens I know (only after decades of dealing with 4000, 4200 and 5200), so I will try to make a clear answer.
> Of the two, the one is stepless and can back off with the release of the grip.
> The one under the circle/strike is the ratchet type. It will click along one step at a time. When the grip is released, it may not
> let the pressure
> off the tube.
> The cheap ones are often available for 2~3$. The good ones are seldom less than 10$.
>
> Matt
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325668 is a reply to message #325610] Thu, 02 November 2017 18:01 Go to previous messageGo to next message
midlf is currently offline  midlf   United States
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
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Senior Member
USAussie wrote on Tue, 31 October 2017 13:44
Matt,

That presentation was given at the Coos Bay Rally in 2013, I can't remember what I did yesterday let alone what happened four years
ago. As far as the gun goes you've covered it well.

As far as removers go see below.

Also Steve Southwood found some stuff but once again I can't remember what it was!

Regards,
Rob M.



For caulk remover my experience is here:

http://www.gmcmhphotos.com/photos/g5214-caulk-remover.html

This stuff did soften the paint on my '74.

Steve SouthWORTH


Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
Re: [GMCnet] Roof Lights what to use 4 Sealer ?? ( Dicor or Black Silicone ) ? [message #325669 is a reply to message #325668] Thu, 02 November 2017 18:27 Go to previous message
tphipps is currently offline  tphipps   United States
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
Senior Member
You might look to the Marine Industry for a sealant. I used 'Boatlife' LifeCalk Sealant to seal some seams on my GMC. It is polysulfide, not silicon.
Tom, MS II


2012 Phoenix Cruiser model 2552 KA4CSG
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