mcr S-THERM smoke exhaust vents: C, E, NG-A. OPERATION AND MAINTENANCE MANUAL
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5.5.
Mounting the frame to the base
After the base has been placed, insulated and protected with roofing paper or membrane, put the
frameframe with a PES 20x5 (factory mounted) gasket on top of it. Make sure that the hinge side of
the frameframe is on the hinge side (with reinforcements) of the base:
Fig. 27 FrameFrame correctly positioned on base (view without roofing paper/membrane on hinged side).
Before screwing the frameframe to the base, pay particular attention to its correct position. Especially
on the hinge side, theframe frame must not enter the clear opening of the vent!
Fig. 28 Example of correct (left) and incorrect (right) placement of the frameframeon the base.
The frameframe should be screwed to the base using 4.8x35 TORX pan head self-drilling screws and
EPDM washer. Use the pre-drilled holes in the frameframe for this purpose.
1. Centre reinforcement for
hinge side of folding base
2. Hinge profile of frameframe
1
2