Spray it on and squeaks end. Use it for automotive and industrial applications as well as in your home or office. Is your garage door squeaking every time it opens or closes - spray this on and it enjoy the peace of mind and the quiet. The pressure and volume of this white grease spray is ideal for applying it in places where you want it and not getting it in places you want to avoid. Designed to treat boat trailers and hitches because it has zero water washout but it works on all kinds of squeaking metal. If it is metal and squeaking then this will silence the squeak.