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 .

Based on the preceding passage, choose your answer for question What may be the reason for the rain proofing material ?
Options are:
(1). They wanted to hide the work they were doing .;
(2). They needed protection from possible rain .;
(3). None of the above choices .;
(4). They wanted to keep the construction invisible .;
The answer is:
(2).