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Re: Aluminum/steel contact

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I'm not really an expert in this area but you might check out Micarta (spelling?). Many years ago I checked this out as a thermal break between piles in permafrost and structural members. Its primary use is in electrical circuit boards; it also has fairly high bearing strength.


H. Daryl Richardson

----- Original Message ----- From: "Drew Morris" <dmorris(--nospam--at)>
To: <seaint-seaosc(--nospam--at)>
Sent: Thursday, February 28, 2013 2:50 PM
Subject: [SEAINT-SEAOSC] Aluminum/steel contact

I have a case where the owner wants to use a aluminum handrail/post system that slips into aluminum sleeves that are bolted to structural steel. I need to add a layer of material between the aluminum plate that holds the sleeve and the structural steel. I am using stainless steel bolts. Can anyone recommend or point me toward a protect that I can use to keep the aluminum plate from contacting the structural steel?

*Drew Morris, PE*| /Project Engineer/
BBFM Engineers, Inc. <>
510 L Street, Suite 200 | Anchorage, Alaska 99501
Ph: (907)274-2236 | Fax: (907)274-2520 | Web:

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