Not any old hammer
Rooflight installation, in pictures.
Insulation and flashing kit
GSE trays for the second array – interesting flashing (if that’s your kind of thing)
Back to the flashing (or other flashing?) and slate detail between the window and the array
Not sure about the cable route for the solar option on the window
Give a man a stihl saw, he’ll hopefully not remove anything essential
Essential roofing kit:-
And from the inside