1. The insurer shall indemnify the insured in respect of fire-fighting expenses necessarily and reasonably incurred by the insured to prevent or minimise the extent of any loss or damage to the property insured indemnifiable under this policy, including the cost of materials expended, costs incurred in refilling fireextinguishing appliances and replacing used sprinkler heads, wages of personnel specifically engaged for such tasks and all fire-fighting costs claimed against the insured from a public authority or public fire brigade provided always that the amount payable under this additional insurance cover shall not exceed the limit of indemnity specified in the schedule.
2. Payment by insurers of any amount under this additional insurance cover shall be subject to the proof of costs incurred as insurers may reasonably require.
