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For blown insulation (I think you mean fibers, not expanding foam), I think the installation method integrates a basic check, i.e. you cut small access holes on
by saltcured 7y ago
For blown insulation (I think you mean fibers, not expanding foam), I think the installation method integrates a basic check, i.e. you cut small access holes on both ends of a space you are filling, and it is pretty obvious whether bulk material makes it to the other end to spill out. You probably need a stud-finder or similar to map the spaces between rafters, fire blocking, etc.
The best way to plan or inspect an insulation job is to use an infrared camera to observe temperature gradients. You can see hot or cold spots where heat is conducting or convecting through the structure.
- howard941 7y agoMaybe I'll luck out and the vaults won't need remediation. Yes I was thinking fibers, not foam. I'm sure I'm underestimating the effort eeded to do a proper job on the vaults within the things' narrow confines: Access to two of four vault edges doesn't seem possible without punching through the gables from outside. Thank you for the practical suggestions on moving forward. Email me in profile if you're in Largo or Sarasota FL sometime and I'll buy you a brewski or coffee or something.
- saltcured 7y agoFor retrofit, I think it is more common to cut 1-2 inch openings through the ceiling or wall face (i.e. cut through plaster or remove pieces of paneling), blow the insulation, and finally patch those holes. And, this pattern will repeat every 5-10 feet, since the bays should be physically divided along their length by fire-blocking if built to code. Each blocked section will have to be filled as a separate step.