Removing remains of the sound proofing for welding

Dedicated to owners of Citroen GS and GSA models.

Moderator: RichardW

User avatar
red_dwarfers
donor 2017
Posts: 2501
Joined: 29 May 2008, 15:59
Location: Zomerzet UK
My Cars:
x 19

Removing remains of the sound proofing for welding

Post by red_dwarfers » 01 Oct 2012, 20:06

I've peeled off the sound proofing from the sides of the boot but there is still a fairly even spread of fibres stuck to the inner wing. So far I've got away with a bit of smouldering from welding the opposite side. The problem now is that I need to weld directly onto the side with the fibres on so I'd like to remove most of them so my G doesn't turn into a ball of flames but I'm not sure what I should be using as I don't really want to remove any of the paint work.

I remember citronut giving me a couple of tips about this but I can't for the life of me remember what he said!
0x
Kev

'07 C5 2.0 16v HDI VTR estate
'81 GSA 1.3 Club
'93 Peugeot 605 2.1 TurboD Manual SRDT (For sale - £800)

RichardW
Forum Treasurer
Posts: 8162
Joined: 07 Aug 2002, 17:12
Location: United Kingdom
My Cars: C4 Grand Picassos:
MK1 '08 1.6 HDi 110
MK2 '17 1.6 BlueHDi 120
x 200

Re: Removing remains of the sound proofing for welding

Post by RichardW » 01 Oct 2012, 22:06

You'll need to remove the paint to weld it anyway..... flap disc or wire brush in the angle grinder.

You need to find the right solvent to get the remainder of the insulation off - probably one of white spirit, meths or acetone.
0x
Richard W
His and Hers C4 Grand Picassos!

citronut
Posts: 10974
Joined: 29 Apr 2005, 00:46
Location: United Kingdom east sussex
My Cars:
x 3

Re: Removing remains of the sound proofing for welding

Post by citronut » 02 Oct 2012, 08:28

i would just use a scraper to get most of it away, then a use blow torch in a controlled fashion,

as long as you point the flame the other direction to the rest of the felt, and you response is quick to stop any flames catching hold it'll be fine :shock: :twisted: :-D :wink:

or maybe you could use this

http://www.veet.co.uk/

:twisted: :shock: :-D :wink:
0x
Regards, malcolm.

current ride a BX 1.7 TZD estate
1986 MK1 BX 1.9na D Auto(in Mothman Andy's stable )
layed up roppy 1.9TD XANT estate, now gone to meet her maker
purple and lilac metalic 2CV(VIOLET)registered to her in doors
1972 DS special been layed up aprox 31 years

User avatar
myglaren
Forum Admin Team
Posts: 14215
Joined: 02 Mar 2008, 14:30
Location: Washington
My Cars: 2003 C5 2.0 HDi 110 SX 223651
x 285

Re: Removing remains of the sound proofing for welding

Post by myglaren » 02 Oct 2012, 17:57

Or even Nads.
0x
________________________________
Steve
If at first you don't succeed, parachuting probably isn't for you.

Jackie Evancho

User avatar
Citroening
Posts: 2517
Joined: 26 Feb 2010, 21:19
Location: Cambridgeshire
My Cars: Various Makes/Models Nowadays...
x 1

Re: Removing remains of the sound proofing for welding

Post by Citroening » 02 Oct 2012, 18:20

Where's the fun of welding without a bit of smoke and fire to get the heart rate going...! :twisted: :twisted: :wink:
0x
Franklin

Northern_Mike
x 48

Re: Removing remains of the sound proofing for welding

Post by Northern_Mike » 02 Oct 2012, 18:28

Scraper. Blow torch, then have a friend stood by with a fairy liquid bottle full of water as you weld near it, just to squirt any flames out. This seemed to be the acceptable method in both garages I worked in back in the 80s.. Generally I was the one holding the bottle. Now, what sort of place these days would allow a 14 year old with a squeezy bottle to sit in a Marina van while it's floor/bulkhead was welded from the outside as the only fire protection?
0x

citronut
Posts: 10974
Joined: 29 Apr 2005, 00:46
Location: United Kingdom east sussex
My Cars:
x 3

Re: Removing remains of the sound proofing for welding

Post by citronut » 02 Oct 2012, 19:40

Kev
its the grinder sparks you should be concerned about more so :evil: :wink: , as they sneak up the felt that is further away than the heat from the welding than you had thought about :roll: :-D :wink:
0x
Regards, malcolm.

current ride a BX 1.7 TZD estate
1986 MK1 BX 1.9na D Auto(in Mothman Andy's stable )
layed up roppy 1.9TD XANT estate, now gone to meet her maker
purple and lilac metalic 2CV(VIOLET)registered to her in doors
1972 DS special been layed up aprox 31 years

Northern_Mike
x 48

Re: Removing remains of the sound proofing for welding

Post by Northern_Mike » 02 Oct 2012, 20:34

citronut wrote:Kev
its the grinder sparks you should be concerned about more so :evil: :wink: , as they sneak up the felt that is further away than the heat from the welding than you had thought about :roll: :-D :wink:


I have many sweaters that prove this..
0x

User avatar
red_dwarfers
donor 2017
Posts: 2501
Joined: 29 May 2008, 15:59
Location: Zomerzet UK
My Cars:
x 19

Re: Removing remains of the sound proofing for welding

Post by red_dwarfers » 06 Oct 2012, 20:19

Cheers for the tips chaps!

I went for the grinder with a sanding disk approach in the end. There was still a bit of smoke but the fairy liquid bottle was at the ready!
0x
Kev

'07 C5 2.0 16v HDI VTR estate
'81 GSA 1.3 Club
'93 Peugeot 605 2.1 TurboD Manual SRDT (For sale - £800)