FLOAT TIMES OF HELIUM FILLED BALLOONS
There are many different factors that affect the float time of a helium filled balloon. Foil balloons and bubble balloons have a longer float time than latex balloons. The size of the balloon is also a factor (generally, the bigger the balloon, the longer it lasts). In addition, the temperature and conditions that the balloon is kept in will impact upon the length of time that it remains floating (see our caring for your balloon page).
Wherever possible, we treat our latex balloons with a non-toxic sealant which coats the inner wall of the balloon. The sealant helps to stop the helium molecules escaping so quickly through the wall of the balloon and therefore significantly increases the balloon’s float time. The average float time for a treated 11 inch latex balloon is around three days. If untreated, a latex balloon of this size will only float for sixteen-eighteen hours. The larger (14-inch) balloons last approximately two days and the giant latex balloons around three to four days.
If you have a confetti-filled balloon, this can slightly reduce the float time due to the weight of the confetti inside the balloon.
It is important to be aware that your latex balloons will get smaller with each passing day, as they gradually lose helium. When ordering latex balloons we therefore strongly recommend that they are delivered (or collected) on the day of your event to ensure that they look their best for your celebrations.
In optimum environments, foil balloons will remain full and taught for three-five days. They will usually continue to float for longer but will appear less taught as they start to lose helium. Cool air may cause these balloons to shrivel, but they will return to a normal state when exposed to warmer air.
Bubble balloons will remain full and taught for several days and are likely to continue to float for two weeks or longer.
Please note; all of the float times detailed above are average float times and apply to balloon-friendly indoor environments. They are not a guarantee and are to be used as a guide only. Actual float times will vary depending on temperature and atmospheric conditions.