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ESR-1301 I Most Widely Accepted and Trusted Page 4 of 7 <br /> TABLE 2b—LAP SIDING-MAXIMUM ULTIMATE COMPONENT AND CLADDING DESIGN WIND SPEED,V„it''2 <br /> PERFORMANCE MAXIMUM WALL SIDING MAXIMUM MAXIMUM ULTIMATE DESIGN WIND SPEED, <br /> CATEGORY STUD SPACING' WIDTH ULTIMATE WIND V,,,14(mph) <br /> (inches) (inches) PRESSURE <br /> (psf) Wind Exposure Category <br /> B C D <br /> 6 133 200 180 180 <br /> 3/8 16 8 131 200 180 180 <br /> 12 83 180 150 140 <br /> 6 133 200 180 180 <br /> 16 8 127 200 180 160 <br /> 12 81 180 150 140 <br /> 7/16 <br /> 6 119 200 180 160 <br /> 24 8 85 180 150 140 <br /> 12 54 140 120 115 <br /> For SI: 1 inch=25.4 mm, 1 psf=47.88 Pa, 1 mph= 1.6 kph. <br /> 'One fastener per stud located 3/4 inch from the top edge of the siding. Each successive course of lap siding must overlap a minimum of <br /> 1 inch. Fastener must have a minimum head diameter of 0.297 inch, a minimum shaft diameter of 0.113 inch and a minimum length of <br /> 2.5 inches(8d box nail). <br /> 2Tabulated values assume full penetration of the fastener into the wall studs, i.e.,fastener penetration=fastener length–siding thickness. <br /> 3Wall studs must have a minimum specific gravity of 0.42. <br /> "Three-second-gust; based on wind pressures acting toward and away from building surfaces, at 30-feet height in Zone 5 with smallest <br /> effective area per Chapter 26 of ASCE 7-10 and Section 1609.1.1 of the 2012 IBC. <br /> TABLE 3a—PANEL SIDING-MAXIMUM NOMINAL(ALLOWABLE)COMPONENT AND CLADDING DESIGN WIND SPEED,Vasd1 <br /> PERFORMANCE MAXIMUM WALL FASTENER SPACING' MAXIMUM MAXIMUM NOMINAL <br /> CATEGORY STUD SPACING2 (inches o.c.) ALLOWABLE WIND (ALLOWABLE)WIND SPEED, <br /> (inches) PRESSURE(psf) Vasd'(mph) <br /> Edges Field Wind Exposure Category <br /> B C D <br /> 12 46 130 110 105 <br /> 16 6 <br /> 3 6 80 170 150 140 <br /> /8 <br /> 12 31 110 90 85 <br /> 24 6 - <br /> 6 61 150 130 120 <br /> 12 45 130 110 105 <br /> 16 6 <br /> 6 80 170 150 140 <br /> 7/16 • <br /> 12 30 110 90 85 <br /> 24 6 <br /> 6 59 150 130 120 <br /> 12 41 130 110 100 <br /> 16 6 - <br /> 6 80 170 150 140 <br /> 19/32 <br /> 12 27 105 90 - <br /> 24 6 <br /> 6 55 150 125 110 <br /> For SI: 1 inch=25.4 mm, 1 psf=47.88 Pa, 1 mph= 1.6 kph. <br /> 'Tabulated values assume full penetration of the fastener into the wall studs, i.e.,fastener penetration=fastener length–siding thickness. <br /> 2Wall studs must have a minimum specific gravity of 0.42. <br /> 'Fastener must have a minimum head diameter of 0.297 inch, a minimum shaft diameter of 0.113 inch and a minimum length of 2.5 inches <br /> (8d box nail). <br /> Three-second-gust; based on wind pressures acting toward and away from building surfaces, at 30-feet in Zone 5 with smallest effective area <br /> per Chapter 6 of ASCE 7-05,Section R301.2 of the 2009/2012 IRC,and Section 1609.1.1 of the 2009 IBC. <br />