Yes the duct system is outdoors. It came from the factory that way.
After working on Mobile homes for 25 yrs in the WAP program I've found very often the bulk of the air leakage reduction often comes from the duct…"
The primary air barrier of all mobile home is the subfloor and that is what should be air sealed, just like in a site but home. The road barrier material is designed to hold up the insulation and protect everything above it when being…"
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