Wheelbarrows make tons of jobs easier! Moving rocks, mixing soils and materials, building a sand pit, you name it. They’re easy to grab and get going unless one of the tires is flat. Today, we will be talking about repairing a wheelbarrow tire. REPAIRING YOUR WHEELBARROW TIRE If your flat tire will no longer hold air the tube could be the issue. This is the cheapest fix to get you up and rolling again.