Next door was struck by lightning yesterday and the resultant chimney
stack explosion has propelled bricks onto my house and chipped a
couple of the bricks. Obviously changing them is a non starter as the
resultant finish would be worse than they are now, but I am concerned
about the lack of protection the brick face now has. Do I just leave
them or would applying a bit of transparent sealer prevent any future
spalling? The chips are about 10-15mm deep and about 75mm diameter.

TIA

John