Lots of things are going on in the inside of the structure during the exterior work, and it involves everything you don't see in your homes behind the walls. It includes plumbing, electrical, HVAC, gas service lines, pipes, and conduit.
Insulation has a huge impact on sound and energy efficiency. It is always fun to see the look on the customer face when the insulation is installed because all the sounds are muffled without the echo, and it feels more like a real home for the first time.
Drywall is a week long process, and it involves 3 steps using different crews who specialize in their respective areas. This includes rough drywall, mudding and taping, and the finish coat. Like the stucco, this requires a real artist for the perfect texture and appearance.