Use In Windy Conditions - Leiner PERGOLA SUNRAIN Q Bedienungsanleitung

7. Use in windy conditions

The system meets the requirements for the wind resistance class specified in the enclosed
declaration of CE conformity. The wind resistance class may change after installation depending on
the type and number of fasteners used and on the actual mounting surface.
The system may only be used in winds meeting the resistance class specification stated by the installation
company. This may differ from the wind resistance class stated by the manufacturer.
A label on the front rail signs the maximum wind force the system can withstand in this size.
Explanation of wind resistance classes
Term Wind force in Bft
Calm
Light air
Light breeze
Gentle breeze
Moderate breeze
Fresh breeze
Strong breeze
Stiff wind
Gale
Strong gale
Storm
Windspeed
m/s
0 – 0,3
0
0,3 – 1,6
1
2 1,6 – 3,4
3,4 – 5,5
3
5,5 – 8,0
4
5 8,0 – 10,8
6 10,8 – 13,9
13,9 – 17,2
7
8 17,2 – 20,8
9 20,8 – 24,5
10 24,5 – 28,5
ashore
Effect
km/h
No wind movement; smoke rises
0 – 1
vertically
Hardly noticeable; smoke drift indicates
1 – 5
wind direction; wind vanes stationary
Leaves rustle; wind felt on face
6 – 11
Leaves and small twigs in constant
12 – 19
motion; light flags extended
Raises loose paper; small branches
20 – 28
moved
Larger branches and trees begin to
29 – 38
sway; wind heard audibly
Large branches in motion; whistling
39 – 49
heard in wire cables and telegraph wires
Whole trees in motion; inconvenience
50 – 61
felt when walking against the wind
Larger trees begin to sway; window
shutters are opened; twigs break off
62 – 74
trees; progress on foot is severely
impeded
Branches break off trees; minor damage
75 – 88
to houses; tiles and chimney cowls are
lifted off roofs; garden furniture is thrown
over and moved; progress on foot is
severely impeded.
Trees are uprooted; tree trunks break;
89 – 102
garden furniture is blown away;
significant damage to houses; rare
inland
16
Bedienungsanleitung
Handleiding
Instructions for use