OPERATION AND MAINTENANCE MANUAL mcr LAM vents
Page 6 of 20
Figure 2. Handling by means of hoist (a) or a forklift truck (b)
a/
b/
5
Installation
mcr LAM louvered vents are designed for installation on the roof (smoke exhaust function)
or in the walls (smoke exhaust and air inlet function).
Roof vents can be supported by the roof structure components, such as purlins, trimmers,
metal decking, curbs, etc. If the roof pitch is less than 45
° the vent should be oriented with the
louver blades running perpendicular to the roof ridge and for greater pitches the louver blades
should preferably run parallel to the roof ridge (tilt up to open configuration).
Figure 3. Recommended spatial orientation of mcr LAM vent in relation to the roof ridge
Kalenica
sp
ad
ek
d
ac
hu
>
4
5
de
g
Kalenica
spa
de
k d
ach
u <
45
de
g
mcr LAM louvered vents can be mounted on steel, concrete or timber roofs. The additional
lower part of base, the roof curb, features a ledge at its bottom to support and secure the vent
to the supporting structure. The fasteners should be appropriate to the supporting structure
material (steel, concrete, timber) and not smaller than 6 mm in diameter. The intervals between
fasteners should not be greater than 50
-
60 cm.
When installed in walls, the louver blades should be positioned horizontally. In this
configuration the louver blades are tilted up to open.
Roof ridge
Roof ridge
Struts
