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Location: Central Kentucky
Snipe Hunter said:
If the house is ever sold and there is exposed spray foam, the inspector will note it on his report as a possible fire/safety hazard. Just like exposed foam board. There is nothing wrong with it if it is covered with sheetrock, or even plywood.
Some foams claim to be fire retardant and they may be but the inspector won't make that determination.
So I am also doing this with foam board. No chiminy to worry about. I dont have plans to refinish the basement at the moment. Originally it had the fiberglass mats stuffed in there, and I still have those pieces. Do I need to put them back in front of the foam board?
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I'm putting the ceiling back up in this particular area, so no problem with that. I think I've heard of people putting drywall up to hide the rim joist foam insulation. I have one section of the basement with dropped ceiling, so I need to worry about fire in that part. I was thinking about using the fire rated foam board with aluminum facing, but since there will be foam around the edges, drywall will probably be better.