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Help!! staple-up insulation foil myth
I have lurked here forever and used the info to design my own house's system.
I am selling a fixer-upper that has soft black pipe staple-up insulated below with R-19,paper faced,spaced 2".
The buyer's inspector is requesting replacement of the insulation [1700 sq ft] with foil faced and claiming 50% efficiency gains will result.
While I will allow that there may be some theoretical gain [5%?] I believe this is not cost effective.
Can anyone support me with their opinion? No liability,just an opinion based on what I have described.
Thanks in advance and my apologies to those I have contacted directly if you are repeating yourself Bill