Penetrations

Inner wall (concealed)

A B

Floor (fireproofing)

D

F

G

B

ASleeve

BHeat insulating material

CLagging

DCaulking material

EBand

FWaterproofing layer

GSleeve with edge

HLagging material

Outer wall

Outer wall (exposed)

C D

A B

 

EB

 

 

 

I

Roof pipe shaft

Penetrating portion on fire limit and boundary wall

 

G

I

J

 

 

 

D

 

 

 

B

 

 

H

 

 

F

A

 

 

1m

1m

IMortar or other incombustible caulking

JIncombustible 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.)

ENGLISH

Branch piping section

Insulate the header using the insula- tion material attached to the branch pipe kit as shown in the figure.

23

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Mitsubishi Electronics PUHY-YMC installation manual Penetrations, Inner wall concealed Floor fireproofing