Since you don't have any sort of venting for the existing roof, I would think that sprayed in foam would keep you from having to worry about that. The reason that I say this is that if you have a house with soffit and vents up top (ridge or barrels) and you want to go to foam, you have to seal the space (get rid of the vents) (and condition it, I think, when there's an attic). Since you won't have any space, and don't currently have any vents, that sounds perfect to me.
Quote:
Originally Posted by 19-911-65
Most recessed canned light rough-ins require the insulation to be pulled back from around them…sometimes as much as 12” so as not to create a fire hazard.
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Yes. I do think it's possible to purchase cans that are rated for having insulation right on them. I assume they are more expensive, but in this instance, it may be worth the extra expense.
But in the case of both of my comments, I'm far from expert. I'm just a dude with a house.
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa
SOLD 2004 - gone but not forgotten