LG APUW100LFT0 Installation Manual page 21

CONNECTING PIPES
21
Penetrations
Outer wall Outer wall (exposed)
Inner wall (concealed)
D
C
E
B B
A
A
B
I
Penetrating portion on fire
limit and boundary wall
Floor (fireproofing)
Roof pipe shaft
I
D
G
J
F
D
B
H
G
A
B
1m 1m
Ⓐ Sleeve
Ⓑ Heat insulating material
Ⓒ Lagging
Ⓓ Caulking material
Ⓔ Band
Ⓕ Waterproofing layer
Ⓖ Sleeve with edge
Ⓗ Lagging material
Ⓘ Mortar or other incombustible caulking
Ⓙ Incombustible heat insulation material
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 for both insulation and
covering.(Vinyl covering should not be used.)