Trox FKRS-EU - Installation: Solid Ceiling Slabs (Mortar-Based)

5.5 Solid ceiling slabs
5.5.1 Mortar-based installation
D
D
220
220
D
220
∅DN
s ≥ 40
≥ 45
≥ 45
s ≥ 40
D
220
࿇
࿆
①
࿆
࿇
①
࿇
࿆
①
࿆
࿇
①
Fig. 11: Mortar-based installation into solid ceiling slab, suspended or upright
①
Mortar
Ⓐ
Installation side
Ⓑ
Operating side
Installation after completing the ceiling slab
Personnel:

Specialist personnel
Materials:
 Mortar Ä ‘Acceptable mortars for mortar-based installation’ on page 14
Requirements
 Performance class EI 120 S
 Solid ceiling slabs without open spaces, made of concrete or aerated concrete, gross density ≥ 600 kg/m³ and
D ≥ 150 mm
 ≥ 75 mm distance to load-bearing structural elements
 45 mm minimum distance between two fire dampers
1. Create an appropriate opening or cut hole: ØDN + at least 80 mm
2. Push the fire damper into the installation opening and secure it. Make sure that the distance from the con-
necting spigot on the operating side to the ceiling slab is 220 mm.
Extend the fire damper with an extension piece or a spiral duct on the installation side.
3. Close off the perimeter gap »s« with mortar. The mortar bed depth must be at least 100 mm.
Installation
Solid ceiling slabs > Mortar-based installation
Fire damper Type FKRS-EU 21