make duct box

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  #1  
Old 11-19-17, 08:31 PM
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make duct box

Is there a 4 by 8 or other size sheet material that I can cut and tape the seams to create a duct box. I am not referring to regular sheet metal. I saw a guy use rigid foam with an aluminum face to make a duct box. I want to make it so that I can have different size starter collars on it. It is just for venting also. Nothing fancy needed.

Mike
 
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Old 11-19-17, 09:03 PM
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There are usually a couple sizes. They are sold in halves... L shaped, so you buy 2 halves and put them together. So you might find 2x12 or 4x12 or 8x16, etc. Like this.
 
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Old 11-19-17, 09:09 PM
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I think he may be looking for fiber duct board.... google/search=fiber+duct+board
 
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Old 11-19-17, 09:26 PM
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Oh, I missed the part about "not sheet metal".
 
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Old 11-19-17, 10:04 PM
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No problem.... two choices to pick from. 👍
 
 

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