LG B70AWYN985 Installation Manual page 26

PIPE CONNECTION
26
Penetrations
Inner wall (concealed)
C
A
B
Floor (fireproofing)
D
F
G
B
Outer wall Outer wall (exposed)
D
B
A
Penetrating portion on fire
limit and boundary wall
Roof pipe shaft
G
D
B
H
E
B
I
I
J
When filling a gap with mortar, cover the
penetration part with steel plate so that
the insulation material will not be caved in.
For this part, use incombustible materials
A
for both insulation and covering.(Vinyl
1m 1m
covering should not be used.)
Sleeve
Heat insulating material
Lagging
Caulking material
Band
Waterproofing layer
Sleeve with edge
Lagging material
Mortar or other incombustible caulking
Incombustible heat insulation material