59
Wavin AS+
Technical Manual
Components
The fire collars are made from powder coated sheet steel
with a push-in fastening and tab fixings with an integrated
intumescent material for reliable closure in the event of fire.
Also included:
Insulation mat
Fixing kit
Identification label
Types of installation
I. Ceiling installation
Minimum requirements of the ceiling: min. 150 mm thick
concrete ceiling.
Flush ceiling installation
Wrap insulating mat around the pipe.
Open the collar and position it around the pipe, whilst hooking
in the push-in fastening. Bend or angle the collar mounting
tabs. Then install the collar flush with the ceiling. Fill the
remaining ceiling gap with cement or concrete (see general
recommendations (4)).
II. Installation under the ceiling
Straight ceiling installation
Wrap insulating mat around the pipe. Open the collar and
position it around the pipe, whilst hooking in the push-in
fastening. Fill the remaining gap with cement or concrete (see
general recommendations (4)). Hold the collar firmly against
the ceiling and mark the positions of the mounting holes.
Table 26: BM-R90 selection table for various types of
Wavin AS+ pipe installation.
Fig. 46: Maximum allowable gap between pipe and fire
protection collar
Fig. 47: Straight installation without sleeve / socket
up to 160 mm.
Wavin
d
s
straight
straight
angled
AS+ pipes mm
mm
installation installation installation
1
)
DN
with collar with sleeve or
socket ≤ 45º mm
56
50
3,0
63
75
90
70
75
3,5
75
90
110
90
90
4,6
90
110
125
100
110
5,3
110
125
140
125
125 5,3
140
160
180
150
160 5,6
160
180
200
200
200 6,0
200
-
-
Selection table
¹) The shape of the sleeve must be turned oval by pushing
on both sides. In that way the shape of the collar can be
adapted when leading-through the pipes (see also figure
below)
15
0 m
m
gap around the edge
BMR-90 collar
Acoustic insulation mat