Which preposition to use with rof

of Occurrences 1%

The first church was seriously damaged by a thunderbolt five days after its consecration, and the original plan was much elaborated in the rebuilding "So gret lytnynge was the vyfte yer, so that al to nogt The rof of the chyrch of Salesbury it broute, Ryght evene vyfte day that he yhalwed was.

Which preposition to use with  rof