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ENGLISH
Penetrations
Inner wall (concealed) Outer wall Outer wall (exposed)
Floor (fireproofing) Roof pipe shaft Penetrating portion on fire limit and boundary wall
A Sleeve
B Heat insulating material
C Lagging
D Caulking material
E Band
F Waterproofing layer
G Sleeve with edge
H Lagging material
I Mortar or other incombustible caulking
J 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.)
Branch piping section
Insulate the header using the insula-
tion material attached to the branch
pipe kit as shown in the figure.
A B
A B
D
C
E
I
B
D
F
G
B
F
H
D
B
G
I
A
J
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