New build attached garage has a pitched roof with eaves meeting the flat roof of the adjacent kitchen. The eaves from the garage side are lined ned with fireline board and extended up to cover the osb decking (extended up the eaves as standard detail). Is there any other requirements to comply with part B?
Also the end of the garage pitched roof turns towards the house formerly ng a gable which has been fully lined in fireline board. The roof is covered by marley moderns on battens. Can the space between the battens be filled with rockwool over the dividing wall?