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Do I need to insulate the floor of a workshop?

by LiveModern Webmaster last modified Jan 04, 2012 02:12 AM
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by last modified Jul 18, 2011

We have a 30' x 40' pole barn (wood with metal roof) that we are interested in spray foaming. The ceilings are cathedral and the space is open, no interior walls. The existing floor consists of dirt covered with plastic sheeting and plywood built about two feet up from poured cement bases (plywood, 2 feet of air, plastic sheet, dirt). We're looking into two options: 1. Spray foam around the perimeter of the space down to the ground, or as far down as they can get it. 2. Build a frame on the existing floor out of 2x4's, spray foam, then put a second floor on top of the frame. Option 2 is a lot more expensive. Do we really need it? How much difference will it make in insulating the space?




 

 

We have a 30' x 40' pole barn (wood with metal roof) that we are interested in spray foaming. The ceilings are cathedral and the space is open, no interior walls. The existing floor consists of dirt covered with plastic sheeting and plywood built about two feet up from poured cement bases (plywood, 2 feet of air, plastic sheet, dirt). We're looking into two options: 1. Spray foam around the perimeter of the space down to the ground, or as far down as they can get it. 2. Build a frame on the existing floor out of 2x4's, spray foam, then put a second floor on top of the frame. Option 2 is a lot more expensive. Do we really need it? How much difference will it make in insulating the space?

Elizabeth,

If you are going to the expense of insulating the walls or roof of your pole barn with spray-applied foam, you should also address the crawlspace.

  • Not doing so would be...



 

 

 
 
 

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