Yes, the pipe produces no heat like a chimney would. Sealing all around this protrusion is mandatory to keep fire at bay in the lower room, and to help with insulation.
Sealing Around Fan Vent Pipe
As the pictures show, I need to seal around this kitchen fan vent pipe. Insulation has fallen five feet down the opening which I will need to vacuum out.
Plan is to place drywall within 1/2" of the pipe to cover the opening, then spray foam (orange fire) the gap. Is this allowed?
Plan is to place drywall within 1/2" of the pipe to cover the opening, then spray foam (orange fire) the gap. Is this allowed?
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