Technical Specifications

ESR-3043
|
Most Widely Accepted and Trusted Page 3 of 3
TABLE 1—MiraTEC
®
TREATED EXTERIOR COMPOSITE TRIM - MAXIMUM ALLOWABLE TRANSVERSE WIND LOADS FOR
1.0-INCH-THICK TRIM and 1
1
/
4
-INCH-THICK SECURED USING 8d COMMON NAILS
1
TRIM WIDTH
(inches)
NUMBER OF
FASTENERS
FASTENER SPACING
(inches)
MAXIMUM
ALLOWABLE LOAD
2
(psf)
MAXIMUM WIND SPEED
3
(mph)
(2015 IBC)
Wind Exposure Category
B
C
D
2 1
24
94
180
160
150
16
141
180
180
180
3 1
24
68
160
140
120
16
103
180
170
150
4 1
24
54
140
120
115
16
81
170
150
140
5 2
24
84
180
150
140
16
126
180
180
170
6 2
24
68
160
140
120
16
103
180
170
150
8 2
24
52
140
120
110
16
78
170
150
130
10
2
24
40
120
N/A
N/A
16
61
150
130
120
3
24
61
150
130
120
16
92
180
160
150
12
2
24
33
115
N/A
N/A
16
50
140
120
110
3
24
50
140
120
110
16
75
170
140
130
16
2
24
24
N/A
N/A
N/A
16
36
120
N/A
N/A
3
24
36
120
N/A
N/A
16
54
140
120
115
For SI: 1 inch = 25.4 mm, I psf = 47.88 Pa, 1 mph = 1.6 km/h.
1
Fasteners must have minimum head diameter of 0.28 inch, a minimum shaft diameter of 0.13 inch, and a minimum length of 2.5 inches
(8d common nail).
2
Wall framing must have minimum specific gravity of 0.42.
3
Three-second-gust; based on a building height of 40 feet and an importance factor of 1.0 in accordance with ASCE 7-10, Section 6.4.2.2.