Requirements for fire and sound resisting construction ~
Typical masonry construction ~
cavity stopped with a non-combustible
mineral wool closer unless cavity
is fully filled with mineral wool insulation
external cavity wall
Plan
view solid or cavity construction
of separating wall
vertical dpc
Typical timber framed construction~
one layer 12.5 mm plasterboard
lining, two layers where there
is a separating floor
external cavity wall
Plan
view cavity construction
separating wall
insulation
vertical dpc cavity fire stopped as above
Internal Party/Separating Walls