I have been building homes for years and I must admit, I was surprised to learn that most mold observed in the home can normally be attributed to the construction phases of a homes life-cycle.
A modular home is unique because it is built in a climate-controlled factory. Building in this way reduces time under construction, project cost and the chances of weather related delays or problems. When coupled with the fact that building supplies are stored in on-site warehouses, it also virtually eliminates the chance that wet materials will be used when building the modular home.
The Southern Pine Inspection Bureau reported in August 2001 that “most mold…which are observed on lumber…can normally be attributed to the transportation, storage and construction stages.” Keeping an Eye on Mold, Kent J. Pagel, Structural Building Components Magazine, May 2002 citing to August 2001 SPIB report. The fact that modular homes are constructed in a controlled factory environment eliminates the possibility that lumber with mold will be used in the home.