Insulation, Spray Foam Issues, and Floor Plans

Lets close out the week with a fifth installment of The Pole Barn Guru. Today he’ll answer questions about the best insulation for a building with steel roofing over a vapor barrier over plywood, potential issues installing spray foam, and a request for a floor plan example– we now have a third party provider of interior floor plans!

DEAR POLE BARN GURU: My barn has metal roofing over a vapor barrier over plywood. How can I best insulate the ceiling if I want to keep the slope and not enclose it into an attic space? DARCY in TURNER

DEAR DARCY: Closed cell spray foam insulation between your purlins is really your only choice, as any other method requires venting from eave to ridge above the insulation layer. You can expect somewhere close to R-7 per inch. First inch should be roughly $1.30 per square foot, with 70 cents per square foot for each additional inch.

 

DEAR POLE BARN GURU: I am thinking of spray foaming my steel pole building, have you heard of any issues? Thanks TOM in LINO LAKES

DEAR TOM: In a not too long ago addition to our home, as well as Hansen Pole Buildings’ Productions Building warehouse, we applied closed cell spray foam directly to steel panels with excellent results. You can read more here: https://www.hansenpolebuildings.com/2020/04/spray-foam-insulation-3/. You do have to protect interior spray foam surfaces from flame and make sure your installer is experienced and well trained to avoid potential issues with stink from a poor installation.

 

DEAR POLE BARN GURU: Do you have a floor plan example for model #08-0602 LORRIE in CLARKSDALE

Prefab pole barn cabin

DEAR LORRIE: We provide only the structural portion of most of our buildings, so do not have a floor plan for this particular building. You can have a floor plan custom designed for this particular building while best fitting your wants and needs via this link:  http://www.hansenpolebuildings.com/post-frame-floor-plans/?fbclid=IwAR2ta5IFSxrltv5eAyBVmg-JUsoPfy9hbWtP86svOTPfG1q5pGmfhA7yd5Q

 

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