underground hvac ducts

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underground hvac ducts

From: darylzielinski@yahoo.com
Category: HVAC
Remote Name: 63.161.86.254
Date: 23 Apr 2003
Time: 03:51 PM

Comments

Is it OK to use standard metal ducts in an underground(under slab) application, or some type of plastic ducts should be used instead? If metal is OK, are there any special things that need to be done to remove the possibility of rust? If plastic only, where can I purchase them? Thanks.

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