Installation situations
Supporting con-
struction
Installation location
Minimum
thickness
[mm]
Class of per-
formance EI TT
(v
e
–h
o
, i ↔ o) S
up to
Installation
type/casing
length L [mm]
Chapter
305
1
500
in, with concrete base,
Multiple mounting
100
EI 90 S
N
N
4
in, concrete base,
combined assembly
100
EI 90 S
N
N
4
in, combined with wooden
beam ceilings
125
EI 90 S
N
N
4
in, combined solid wood ceiling
125
EI 90 S
N
N
4
on, installation kit WA
125
EI 90 S
–
E
4
underneath (horizontal duct),
installation kit WE
125
EI 90 S
–
E
4
in, fire batt
150
EI 120 S
W
W
4
125
EI 90 S
W
W
4
in, fire batt,
Multiple mounting
150
EI 90 S
W
W
4
Solid wood ceil-
ings
in
140
EI 90 S
N
N
4
in, with additional cladding
112.5
EI 90 S
N
N
4
in, installation kit ES
140
EI 90 S
–
E
4
in, installation kit ES,
with additional cladding
112.5
EI 90 S
–
E
4
Wooden beam ceil-
ings
in
167.5
EI 90 S
N
N
4
155
EI 60 S
N
N
4
142.5
EI 30 S
N
N
4
in, installation kit ES
167.5
EI 90 S
–
E
4
155
EI 60 S
–
E
4
142.5
EI 30 S
–
E
4
1)
An extension piece may be required
2)
Gypsum wall boards EN 12859
3)
Thickness increased near the installation opening
4)
see complete installation and oper-
ating manual on www.trox-docs.com
N = Mortar-based installation
E = Installation kit
W = Fire batt
E = Dry mortarless installation
Installation
Installation situations
Fire damper Type FKA2-EU
26
