Wash. Admin. Code § 308-408C-150
The inspection of the insulation and ventilation includes the type and condition of the insulation and ventilation in viewable unfinished attics and subgrade areas as well as the installed mechanical ventilation systems.
Inspect the insulation, ventilation and installed mechanical systems in viewable and accessible attics and unfinished subfloor areas.
Describe the type of insulation in viewable and accessible unconditioned spaces.
Report missing or inadequate vapor barriers in subfloor crawlspaces with earth floors.
Report the absence of insulation at the interface between conditioned and unconditioned spaces where visible.
Report the absence of insulation on heating system ductwork and supply plumbing in unconditioned spaces.
Describe any deficiencies of these systems or components.
Determine the presence, extent, and type of insulation and vapor barriers concealed in the exterior walls.
Determine the thickness or R-value of insulation above the ceiling, in the walls or below the floors.
Wash. Admin. Code § 308-408C-150
Statutory Authority: RCW 18.280.050 and 18.280.060(6). 09-08-014, § 308-408C-150, filed 3/20/09, effective 4/20/09.