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jay(at)horriblehyde.com
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 Posted: Wed Oct 15, 2008 11:34 pm Post subject: Fire-Putty/ Sealant |
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Hi there Bob and anyone else who might know,
I have been looking for the ‘the recommended sealer to preclude entry of moisture and to keep the edges from fraying’ as per your article on firewall penetrations, but I cannot see any listing at AircraftSpruce for the stuff; what is it and where can I get it?
Ditto for the firestop putty.
Thanks
Jay
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mrspudandcompany(at)veriz
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| Posted: Thu Oct 16, 2008 5:33 am Post subject: Fire-Putty/ Sealant |
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Jay,
My experience is that many builders use a RED HIGH TEMPERATURE SILICONE RTV. This is good to about 600 deg F, intermittently.
Roger
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rshannon
Joined: 05 Sep 2007
Posts: 62
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| Posted: Thu Oct 16, 2008 5:48 am Post subject: Fire-Putty/ Sealant |
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An excellent choice for any location that may be exposed to direct flame is 3M Fire Barrier sealant, rated to 2000 deg. F. It handles and cures like silicon sealant and is very tough. It is particularly good for filling relatively large openings on the firewall, such as flange openings around the edges, sealing around thru-FW wire bundle openings, etc. Available at ACS, p/n 05-00949.
Ron
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Bruce(at)glasair.org
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| Posted: Thu Oct 16, 2008 6:10 am Post subject: Fire-Putty/ Sealant |
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It's also at your local Home Depot.
Bruce
www.Glasair.org
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n744bh(at)bellsouth.net
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| Posted: Thu Oct 16, 2008 7:50 am Post subject: Fire-Putty/ Sealant |
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The 3M 2500 firebarrier caulk is available at Home Depot for about half the price that ACS sells it for. It's sometimes found in the paint department and sometimes very well hidden in the electrical dept. Last time I bought some there it was about $13.00. Most Home Depots have it.
Bill
Glasair
[quote] ---
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jay(at)horriblehyde.com
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| Posted: Thu Oct 16, 2008 8:18 am Post subject: Fire-Putty/ Sealant |
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Thanks for the responses- Home Depot is a trifle difficult to access in South Africa though… J
Have ordered it from ACS in a larger shipment of stuff I need…
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Bill Hibbing
Sent: 16 October 2008 05:49 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: AeroElectric-List: Fire-Putty/ Sealant
The 3M 2500 firebarrier caulk is available at Home Depot for about half the price that ACS sells it for. It's sometimes found in the paint department and sometimes very well hidden in the electrical dept. Last time I bought some there it was about $13.00. Most Home Depots have it.
Bill
Glasair
[quote]
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Mark Phillips in TN
Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN
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| Posted: Thu Oct 16, 2008 7:31 pm Post subject: Fire-Putty/ Sealant |
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Go to McMaster.com and search in "Find Products" for item # 93465K42 for a 10.3 oz. caulking gun cartridge of the stuff. Currently eleven bucks & change...
Mark
New MapQuest Local shows what's happening at your destination. Dining, Movies, Events, News & moraol?redir=http://local.mapquest.com/?ncid=emlcntnew00000002">Try it out!
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aerobubba(at)earthlink.ne
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| Posted: Fri Oct 17, 2008 5:28 am Post subject: Fire-Putty/ Sealant |
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Hi Jay-
Up over here, on the northwest side of the planet  , these products can
be had at many hardware outlets aside from home depot. They are
intumescent caulks, and come in a cartridge suitable for use in a standard
home use caulking gun. They are typically displayed in the same area as
all the other window and siding caulks, being marketed as 'fire block',
'fire stop', or some such. When packaged as home repair materials they are
a fraction of the cost of when the same material is packaged for aviation
use.
FWIW-
glen matejcek
aerobubba(at)earthlink.net
| Quote: | Subject: RE: Fire-Putty/ Sealant
Thanks for the responses- Home Depot is a trifle difficult to access in
South Africa though. 
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klehman(at)albedo.net
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| Posted: Fri Oct 17, 2008 6:36 am Post subject: Fire-Putty/ Sealant |
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I'd caution that most fire rated caulks from the hardware store are
essentially just silicone that have a fire rating to satisfy a
particular building code. The one I tested was no better than red rtv
gasket compound. While either will satisfy our local inspectors, the
silicone products are not near as good as the itumescent 3M product.
Less than 600*F vs. 2000*F. Aluminum melts around 1100*F as I recall.
Occasionally you do get what you pay for.
Ken
glen matejcek wrote:
| Quote: |
Hi Jay-
Up over here, on the northwest side of the planet , these products can
be had at many hardware outlets aside from home depot. They are
intumescent caulks, and come in a cartridge suitable for use in a standard
home use caulking gun. They are typically displayed in the same area as
all the other window and siding caulks, being marketed as 'fire block',
'fire stop', or some such. When packaged as home repair materials they are
a fraction of the cost of when the same material is packaged for aviation
use.
|
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