Step 7 – Insulation, Drywall, and Trim Cabinets: The exterior and interior work continues! Upon completion of the insulation stage, an independent third party will perform an energy audit. This milestone reaffirms our commitment to delivery of energy-efficient homes. After drywall is hung, textured and painted, then flooring will start. You will have an onsite meeting with your manager to discuss trim details, and will be able to walk areas of construction that have been completed.