Complete a snow stability evaluation based on available data. Avalanche Ski Touring Equipment Carry and know how to use. The U.I.A.A. only test and certify kernmantle ropes. Post manufacture waterproofing can be done using a fluoropolymer based solution by immersing the rope for a minute, then drying. Rope Knots reduce rope strength.
All manufactures recommend retiring a rope after one long fall.
Almost all ropes break when tested over a sharp edge Check the rope each time you belay and rappel, for bumps, thin spots or changes in stiffness. Inspect for puffs or bulges of white core. If any of the above occur , retire the rope. Retirement can mean the rope can be used for top roping, rappelling or activities with small impact forces. This is why a light climber can hold a heavier climber on a top rope.