11
Fig. 17
•
Position the shortened guide element
(1)
at the hole and drive in until the
base plate is in contact with the wall.
•
Drill a hole ø 6 at least 50 mm deep.
•
Drive the dowel nail 6x40 mm
(3)
into
the wall and tighten.
•
Place the foam pipe with outside flange
(2)
in the core hole and insert up to the
beginning of the snap lug.
•
Drive in the foam pipe with outside
flange with a rubber mallet until the
outside flange is fully in place.
Note:
Alternatively, the
guide element
(1)
can also be installed
after the outside flange
(2)
, but
note:
the wall duct must be completely
installed before foaming!
Fig. 18
Note:
When inserting the outside flange
(2)
, pay
attention to the direction of installation:
install with the "house pointing up"
(1)
.
1
2
1
2
3
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ts
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