Clean the roof thoroughly with soap and water
Remove dirt, debris, and loose old sealant
Let the roof dry completely
Inspect seams, vents, skylights, antennas, and edges...
Drain and flush the freshwater system
Empty the black and gray tanks
Bypass the water heater
Drain the water heater
Open all faucets and low-point drains
Blow out water...
Drain the fresh water tank
Drain the gray water tank
Drain the black water tank
Turn off the water heater
Let the water heater cool completely
Drain the water...
Drain the fresh water tank
Drain the gray water tank
Drain the black water tank
Turn off the water heater
Let the water heater cool completely
Drain the water...
Drain and flush the fresh water system
Empty and sanitize the fresh water tank
Drain the water heater
Bypass the water heater
Drain all low-point drains
Blow out water...
Drain and flush the fresh water system
Empty and clean the black water tank
Empty and clean the gray water tank
Drain the water heater
Bypass the water...