Building Construction Handbook, Eighth Edition

Separating Walls ~ types:-

1. Solid masonry


2. Cavity masonry


3. Masonry between isolating panels


4. Timber frame

Material

A

Density

of A

[Kg/m^3 ]

Finish B Combined mass A+

B (Kg/m^2 )

Thickness

C [mm]

Coursing

D [mm]

brickwork 1610 13 mm

lwt. pl.

375 215 75

.. .. .. .. 12„5 mm

pl. brd.

.. .. .. .. .. ..

Concrete

block

1840 13 mm

lwt. pl

415 .. .. 110

.. .. 1840 12„5 mm

pl. brd

.. .. .. .. 150

In-situ

concrete

2200 Optional 415 190 n/a

Material

A

Density of

A [Kg/m^3 ]

Finish B Mass

A+B

(Kg/m^2 )

Thickness

C [mm]

Coursing

D [mm]

Cavity

E [mm]

bkwk. 1970 13 mm

lwt. pl.

415 102 75 50

concrete

block

1990 .. .. 100 225 ..

lwt. conc.

block

1375 ..

or 12.5 mm

pl. brd.

300 100 225 75

Sound Insulation---Walls