| Wind Load Charts
Use the map below to locate which wind speed region you're in, then use the table below to calculate what your maximum shutter widths are, depending on which slat profile you choose.
Values are 3-second gust speeds in miles per hour and (metres per second) at 33 ft (10m) above ground for exposure category C and are associated with an annual probability of 0.02.This map is for rough guidance only. Please contact your local dealer for more accurate information.
Maximum Shutter Widths in Hurricane Conditions (Inches):
|
Slat Profile
|
1 Span
|
2 Span
|
3 Span
|
|
110 Mph (49m/s)
|
RC40
|
52
|
122
|
150
|
|
RC55
|
68
|
156
|
198
|
|
RCE40
|
78
|
163
|
198
|
|
RCE60
|
82
|
180
|
220
|
|
PVC50
|
53
|
130
|
186
|
|
|
|
|
|
|
120 Mph (54m/s)
|
RC40
|
48
|
115
|
150
|
|
RC55
|
63
|
148
|
198
|
|
RCE40
|
72
|
153
|
198
|
|
RCE60
|
78
|
180
|
180
|
|
PVC50
|
48
|
125
|
172
|
|
|
|
|
|
|
130 Mph (58m/s)
|
RC40
|
45
|
110
|
150
|
|
RC55
|
60
|
143
|
198
|
|
RCE40
|
65
|
149
|
198
|
|
RCE60
|
73
|
161
|
180
|
|
PVC50
|
46
|
119
|
160
|
|
|
|
|
|
|
140 Mph (63m/s)
|
RC40
|
40
|
108
|
118
|
|
RC55
|
57
|
129
|
180
|
|
RCE40
|
62
|
135
|
184
|
|
RCE60
|
72
|
152
|
180
|
|
PVC50
|
43
|
114
|
147
|
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Houston, Florida, Louisiana & Southeast Texas.
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