Don't Use WD-40 as Garage Door Lubricant It is best to use either a 40-weight, non-detergent oil, which you can buy at any auto parts store, or a mixture of wheel-bearing grease and 10W30. The reason these substances work better at lubricating garage doors is that they are thicker, so they will stay where you put them. Nov 30, 2018
We see LiftMasters last between 15 � 20 years. However, that's in excellent conditions. Anything less than excellent conditions can reduce the lifespan to 8 � 12 years. However, beyond just brand, you also have to consider which type of opener will give you the best life expectancy. Sep 20, 2018