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Air conditioner - plastic repair [message #295982]

Mon, 22 February 2016 14:23

jjdebarros

Messages: 11
Registered: June 2015
Location: Spokane, WA

Karma: 1

Junior Member

I am in the process of replacing the headliner...

Decided to clean-up, repair and paint the air conditioner interior plastic housing.

The foam in the duct has turned to sand.

http://www.gmcmhphotos.com/photos/data/6909/medium/File_007.jpeg

Any suggestions on the type of foam to replace this with?

Anyone know what the purpose of this foam is for? (condensation?)

Thanks!

'77 Side Bath Royale Spokane, WA

[Updated on: Mon, 22 February 2016 15:46]

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Re: Air conditioner - plastic repair [message #295997 is a reply to message #295982]

Mon, 22 February 2016 17:45

tphipps

Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL

Karma: 9

Senior Member

Noise control would be my guess. Moisture control second choice. You can find thin sheets of foam at stores like Jo-Ann's, Hancock, and Hobby Lobby.
It is used in art projects. Even get your choice of colors.
Tom, MS II

2012 Phoenix Cruiser model 2552 KA4CSG

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Re: Air conditioner - plastic repair [message #295999 is a reply to message #295982]

Mon, 22 February 2016 18:16

Richard RV

Messages: 631
Registered: July 2012
Location: Full-timer for 12 years, ...

Karma: -17

Senior Member

I used Reflectix, a brand name for that silver mylar covered bubble wrap. Tape the seams with a good quality aluminum foil tape. The low quality aluminum foil tape is much thinner and has terrible adhesive and ends up peeling away in short order.

Richard

'77 Birchaven TZE...777; '76 Palm Beach under construction; ‘76 Edgemont waiting its turn

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Re: Air conditioner - plastic repair [message #296024 is a reply to message #295982]

Tue, 23 February 2016 08:21

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

JJ,

That foam is just for air noise. I can also tell you that you really want it. What is left will come off with a scraper. Any thin open cell foam will do. Just get a can of 3M 77 and go at it.

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

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Re: Air conditioner - plastic repair [message #296036 is a reply to message #295982]

Tue, 23 February 2016 13:21

77Royale

Messages: 461
Registered: June 2014
Location: Mid Michigan

Karma: 6

Senior Member

For what its worth when I painted my ACs and front and rear headliners I took advice from the board and used Krylon Fusion white gloss for plastic.

I am very pleased with how all the pieces turned out and are so much better white than yellow.

77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy. Mid Michigan

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