It might surprise you to learn that trees do get sunscald or sunburn and the remedy is not an SPF 30 lotion. Sunscald on trees usually happens on the south or south-west exposed bark. The bark is damaged and in severe cases can result in the death of the tree.
Historically, sunscald has been prevented by wrapping or painting the trunk of the tree. Do these preventative methods work? Are they still recommended? Time to have a closer look at the problem.