Hirricane and Storm Shutters
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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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