Read the following context and choose the best option to answer the question.
Context: At eight am sharp , the crane arrived . While he set up the rig , I removed the extra tar paper and ice shield underlayments that had been wrapped over the peaks as a temporary rain proofing . Not that we have had any rain lately .
Question: What may be the reason for the rain proofing material ?
Options: 
- They wanted to hide the work they were doing .
 - They needed protection from possible rain .
 - None of the above choices .
 - They wanted to keep the construction invisible .


They needed protection from possible rain .