Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
Fitting roof window flashing.
Finally fit the flashing above the frame.
Then move up the sides of the frame.
Start by fitting the sill flashing at the bottom of the frame.
Unpack the window and flashing kit in the loft.
Http www fixmyroof co uk install roof flashings this video shows you the basics of installing lead roof flashings simple apron flashings or cover flashin.
Read the instruction manual and check all the fixings and fittings are included as listed in the manual.
Secure the flashing as instructed with nails or roof cement.
Moving up on to the roof fit the flashing around the frame according to the manufacturer s instructions.
When fitting flashings to flat roofs no overlap onto the roof is required as the roof itself will have it s own upstand flashing built into it.