Building Construction Handbook, Eighth Edition

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