Placement of insulation is as important as the amount of insulation. Insulation should completely surround the heated space. Full coverage, interior side vapor retarder and air barrier. Continuous exterior-side weather barrier is essential to protect insulation and the building structure from exterior moisture and wind penetration. Energy efficient windows and doors.
Proper installation is important as well as durable weatherstripping.
To provide effective moisture control, landscaping should be graded to direct water away from the foundation. Although a complete damp proofing system is also required on the below-grade portion of foundation walls, a true water proofing system is a better investment. Managed mechanical ventilation is essential to ensure healthy indoor air and good moisture control. The ventilation system should provide, at a minimum, 0.35 air changes per hour within the home. The system should maintain a proper balance between air coming into the home and air being exhausted.