Version 6.00
Date of editing: 16.09.2022 r.
Page 5 z 18
Installation manual
KWP-O-ES
II.
INSTALLATION TECHNOLOGY
–
FLEXIBLE WALL
a.
Make an opening in the wall with the dimensions 100 [mm] (acceptable 80 ÷ 120 [mm]) greater than the
nominal dimensions of the fire damper = B+100 i H+100.
b.
Make a frame of two layers of GKF boards, 12,5 mm thick and the width relative to the width of opening,
mounting by screws screws
remembering to carefully seal the contact edges with a mastic:
Hilti Firestop Coating
CP 673, Promastop-Coating, Promaseal-Mastic lub Soudal Firesilicone B1 FR.
c.
Put the closed fire damper into the installation opening and support or suspend, in this way that the minimum
installation depth mark is on the plane of the flange surface.
d.
After setting the fire damper as described, fill the gap between the fire damper and the wall with non-flammable
mineral wool of high density, 80 kg/m
3
or more.
e.
Seal the place of filling with mineral wool using the sealing compounds given in pts.2.
f.
Mount collar, both side of wall, made of GKF boards, 15 mm thick and 150 mm wide, using screws.
g.
After mounting the collar, remove the supports or suspensions, check the fire damper correct operation and
leave it in open position.
Figure 4. Installation method of fire dampers KWP-O in flexible wall
