Metl-Span's FM 4881 Windload Ratings for 7.2 Insul Rib™ Wall Panel-Fastening Patterns 1 and 11

 

Test results from this program and prior Approval programs sponsored by Metl-Span LLC indicate that 2.5 to 6 in. (65 to 150 mm) thick Metl-Span CF-7.2 Insul-Rib™ exterior wall panels produced with minimum 26 ga. [minimum 0.0170 in. (0.432 mm) base steel thickness] prefinished (optional) stainless, galvanized or Galvalume steel interior and exterior facers and an Approved foam system meet the Approval requirements of the Standard listed above as indicated in the tables below when installed as indicated below.

 

Manufacturer 

Wall Panels 

Thickness 

Width 

Max Height 

Hail Rating 

Metl-Span LLC 

CF-7.2 Insul-Rib

2.5-6 in. (65-150 mm) 

36 in. (915 mm) 

 No Limit

Class S (severe) 

 

Wall Panel Min Thickness 

Panel Securement 

Wind Load Rating & Zone 

Max Support Steel Spacing 

Min Support Steel Thickness 

Min Support Steel Yield Stress 

4-6 in.
(100-150 mm) 

FP1
(see below) 

Class +30/-42
Zone H 

8 ft 0 in.
(2440 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP1
(see below) 

Class +40/-56
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP1
(see below) 

Class +45/-63
Zone H 

5 ft 0 in.
(1525 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP1
(see below) 

Class +60/-84
Zone H 

4 ft 0 in.
(1220 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP1
(see below) 

Class +35/-49
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP1
(see below) 

Class +40/-56
Zone H 

5 ft 0 in.
(1525 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP1
(see below) 

Class +50/-70
Zone H 

4 ft 0 in.
(1220 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(65-150 mm) 

FP1
(see below) 

Class +30/-42
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(65-150 mm) 

FP1
(see below) 

Class +35/-49
Zone H 

5 ft 0 in.
(1525 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(65-150 mm) 

FP1
(see below) 

Class +45/-63
Zone H 

4 ft 0 in.
(1220 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +35/-49
Zone H

15 ft 9 in.
(4880  mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +40/-56
Zone H 

14 ft 0 in.
(4265 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +45/-63
Zone H

12 ft 0 in.
(3660 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +50/-70
Zone H 

11 ft 0 in.
(3355 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +55/-77
Zone H 

10 ft 0 in.
(3050 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below)

Class +60/-84
Zone H

9 ft 0 in.
(2745 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +70/-98
Zone H 

8 ft 0 in.
(2440 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +80/-112
Zone H 

7 ft 0 in.
(2135 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

4-6 in.
(100-150 mm) 

FP11
(see below) 

Class +95/-133
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +35/-49
Zone H 

12 ft 9 in.
(3885 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm)

FP11
(see below) 

Class +40/-56
Zone H 

12 ft 0 in.
(3660 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +45/-63
Zone H 

11 ft 0 in.
(3355 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +50/-70
Zone H 

10 ft 0 in.
(3050 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +55/-77
Zone H 

9 ft 0 in.
(2745 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +60/-84
Zone H 

8 ft 0 in.
(2440 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +70/-98
Zone H 

7 ft 0 in.
(2135 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

3-6 in.
(75-150 mm) 

FP11
(see below) 

Class +85/-119
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +35/-49
Zone H 

12 ft 9 in.
(3885 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +40/-56
Zone H 

11 ft 0 in.
(3355 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +45/-63
Zone H 

10 ft 0 in.
(3050 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +50/-70
Zone H 

9 ft 0 in.
(2745 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +55/-77
Zone H 

8 ft 0 in.
(2440 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +65/-91
Zone H 

7 ft 0 in.
(2135 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

2.5-6 in.
(50-150 mm) 

FP11
(see below) 

Class +80/-112
Zone H 

6 ft 0 in.
(1830 mm) 

14 ga. [0.0710 in. (1.80 mm)] 

50 ksi
(315 MPa) 

Table Notes:  Panels rated for Zone H maybe used in Zones H and NH.

 

FP1-Two Clip Attachment Screws (2 to 7 in. (50 to 175 mm) long stainless steel or coated carbon steel fasteners with 3/8 in. (9.5 mm) hex washer heads; 1/4-14 HWH self drilling fasteners with type 3 points for minimum 14 ga. [0.0710 in. (1.8 mm)] steel supports, 1/4-14, 1/4-20, 1/4-28 or 12-24 HWH self drilling fasteners with type 5 points for minimum 3/16 in. (4.75 mm) steel supports or #14-14 HWH self tapping fasteners with type AB, B or BP points for minimum 14 ga. [0.0710 in. (1.8 mm)] steel supports through properly sized pilot holes) through one Panel Clip (p/n 4575) at each bearing in each panel side joint.

FP11-Panels through fastened to each steel support with Panel Attachment Screws with Sealing Washers (3 to 8 in. (75 to 200 mm) long stainless steel or coated carbon steel fasteners with 3/8 in. (9.5 mm) hex washer heads and 5/8 in. (16 mm) diameter sealing washers; 1/4-14 HWH self drilling fasteners with type 3 points for minimum 14 ga. [0.0710 in. (1.8 mm)] steel supports, 1/4-14, 1/4-20, 1/4-28 or 12-24 HWH self drilling fasteners with type 5 points for minimum 3/16 in. (4.75 mm) steel supports or #14-14 HWH self tapping fasteners with type AB, B or BP points for minimum 14 ga. [0.0710 in. (1.8 mm)] steel supports through properly sized pilot holes) 7.2 in (185 mm) on center.