This must be done before entering playa.
The general rule is to
seal all the cracks where dust can get in.WindowSeal the joints and cracks along the contour with
blue masking tape on the outside and inside. (if the links don't open, use a VPN).
You can cover the windows with aluminum foil to prevent the inside of your RV from overheating during the day. Close and protect mosquito nets from dust (it is very difficult to remove dust and dirt from them).
Floors You can cover the floors with
thick brown paper and secure with blue masking tape.
FurnitureUse old sheets and blankets to cover dinette seats/sofas/beds to prevent dust from getting on the upholstery.