Question: Found some Manville 817...

lenMCHC

New member
Hey.
Local lumberyard has some 817 available
4x8 sheets, 2 inch thick. 9$ a sheet.
BUT, it has the foil on it... Is this a real problem?
 
Should be OK. For reflections, just turn the foil toward the wall. If doing chunks, it should be fine as is.

Bryan
 
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